diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c2658d7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/1args/babel.config.js b/1args/babel.config.js
new file mode 100644
index 0000000..ae49d86
--- /dev/null
+++ b/1args/babel.config.js
@@ -0,0 +1,7 @@
+module.exports = {
+  presets: [
+    [ '@babel/env', {
+      useBuiltIns: 'usage'
+    }]
+  ]
+}
diff --git a/1args/features/addition.feature b/1args/features/addition.feature
new file mode 100644
index 0000000..60e7348
--- /dev/null
+++ b/1args/features/addition.feature
@@ -0,0 +1,9 @@
+Feature: Add Numbers
+	As a user of the calculator
+	I want to add 2 numbers
+
+	Scenario: Add numbers
+		Given the start value is 5
+		When I add 6
+		Then the result should be 11
+
diff --git a/1args/features/concat.feature b/1args/features/concat.feature
new file mode 100644
index 0000000..ddd9cf4
--- /dev/null
+++ b/1args/features/concat.feature
@@ -0,0 +1,7 @@
+Feature: Concatenate strings
+  As a user of the concatenator
+  I want to concatenate 2 strings
+
+  Scenario: Concatenate strings
+    When I concatenate "Georg" and "Cantor"
+    Then the result should be "Georg Cantor"
diff --git a/1args/features/steps/addition.js b/1args/features/steps/addition.js
new file mode 100644
index 0000000..55b8936
--- /dev/null
+++ b/1args/features/steps/addition.js
@@ -0,0 +1,12 @@
+import { Given, When, Then } from 'cucumber'
+import { expect } from 'chai'
+
+Given('the start value is {int}', function (int) {
+})
+
+When('I add {int}', function (int) {
+})
+
+Then('the result should be {int}', function (int) {
+  expect(int).to.equal(11)
+})
diff --git a/1args/features/steps/concat.js b/1args/features/steps/concat.js
new file mode 100644
index 0000000..4e232e9
--- /dev/null
+++ b/1args/features/steps/concat.js
@@ -0,0 +1,9 @@
+import { When, Then } from 'cucumber'
+import { expect } from 'chai'
+
+When('I concatenate {string} and {string}', function (string, string2) {
+})
+       
+Then('the result should be {string}', function (string) {
+  expect(string).to.equal("Georg Cantor")
+})
diff --git a/1args/package-lock.json b/1args/package-lock.json
new file mode 100644
index 0000000..cfa8409
--- /dev/null
+++ b/1args/package-lock.json
@@ -0,0 +1,1764 @@
+{
+  "name": "1args",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+      "requires": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "@babel/core": {
+      "version": "7.1.5",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.1.5.tgz",
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+      "requires": {
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+        "@babel/generator": "^7.1.5",
+        "@babel/helpers": "^7.1.5",
+        "@babel/parser": "^7.1.5",
+        "@babel/template": "^7.1.2",
+        "@babel/traverse": "^7.1.5",
+        "@babel/types": "^7.1.5",
+        "convert-source-map": "^1.1.0",
+        "debug": "^3.1.0",
+        "json5": "^0.5.0",
+        "lodash": "^4.17.10",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
+        "source-map": "^0.5.0"
+      }
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+}
diff --git a/1args/package.json b/1args/package.json
new file mode 100644
index 0000000..e08362f
--- /dev/null
+++ b/1args/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "1args",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "cucumber-js --require-module '@babel/register'"
+  },
+  "author": "Eugen Wissner <belka@caraus.de>",
+  "license": "MPL-2.0",
+  "dependencies": {
+    "@babel/core": "^7.1.5",
+    "@babel/preset-env": "^7.1.5",
+    "@babel/register": "^7.0.0",
+    "babel-loader": "^8.0.4",
+    "chai": "^4.2.0",
+    "cucumber": "^5.0.2"
+  }
+}
diff --git a/2obj/babel.config.js b/2obj/babel.config.js
new file mode 100644
index 0000000..ae49d86
--- /dev/null
+++ b/2obj/babel.config.js
@@ -0,0 +1,7 @@
+module.exports = {
+  presets: [
+    [ '@babel/env', {
+      useBuiltIns: 'usage'
+    }]
+  ]
+}
diff --git a/2obj/features/addition.feature b/2obj/features/addition.feature
new file mode 100644
index 0000000..39e7ba8
--- /dev/null
+++ b/2obj/features/addition.feature
@@ -0,0 +1,13 @@
+Feature: Add Numbers
+	As a user of the calculator
+	I want to add 2 numbers
+
+	Scenario: Add numbers
+		Given the start value is 5
+		When I add 6
+		Then the result should be 11
+
+	Scenario: Add numbers
+		Given the start value is 5
+		When I add 25
+		Then the result should be 30
diff --git a/2obj/features/concat.feature b/2obj/features/concat.feature
new file mode 100644
index 0000000..4cc10f0
--- /dev/null
+++ b/2obj/features/concat.feature
@@ -0,0 +1,15 @@
+Feature: Concatenate strings
+	As a user of the concatenator
+	I want to concatenate 2 strings
+
+	Scenario: Concatenate strings
+		Given the start value is "Georg"
+		When I concatenate "Cantor"
+		Then the result should be "Georg Cantor"
+
+	Scenario: Concatenate strings
+		Given the start value is "Georg"
+		When I concatenate "Wilhelm"
+		When I concatenate "Friedrich"
+		When I concatenate "Hegel"
+		Then the result should be "Georg Wilhelm Friedrich Hegel"
diff --git a/2obj/features/steps/addition.js b/2obj/features/steps/addition.js
new file mode 100644
index 0000000..7ddea9c
--- /dev/null
+++ b/2obj/features/steps/addition.js
@@ -0,0 +1,14 @@
+import { Given, When, Then } from 'cucumber'
+import { expect } from 'chai'
+
+Given('the start value is {int}', function (int) {
+  this.calc = int
+})
+
+When('I add {int}', function (int) {
+  this.calc += int
+})
+
+Then('the result should be {int}', function (int) {
+  expect(this.calc).to.equal(int)
+})
diff --git a/2obj/features/steps/concat.js b/2obj/features/steps/concat.js
new file mode 100644
index 0000000..45cb7e2
--- /dev/null
+++ b/2obj/features/steps/concat.js
@@ -0,0 +1,14 @@
+import { Given, When, Then } from 'cucumber'
+import { expect } from 'chai'
+
+Given('the start value is {string}', function (string) {
+  this.concat = string
+})
+
+When('I concatenate {string}', function (string) {
+  this.concat += ' ' + string
+})
+       
+Then('the result should be {string}', function (string) {
+  expect(string).to.equal(this.concat)
+})
diff --git a/2obj/package-lock.json b/2obj/package-lock.json
new file mode 100644
index 0000000..c372fd2
--- /dev/null
+++ b/2obj/package-lock.json
@@ -0,0 +1,1771 @@
+{
+  "name": "2obj",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.0.0",
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+      "requires": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "@babel/core": {
+      "version": "7.1.5",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.1.5.tgz",
+      "integrity": "sha512-vOyH020C56tQvte++i+rX2yokZcRfbv/kKcw+/BCRw/cK6dvsr47aCzm8oC1XHwMSEWbqrZKzZRLzLnq6SFMsg==",
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/generator": "^7.1.5",
+        "@babel/helpers": "^7.1.5",
+        "@babel/parser": "^7.1.5",
+        "@babel/template": "^7.1.2",
+        "@babel/traverse": "^7.1.5",
+        "@babel/types": "^7.1.5",
+        "convert-source-map": "^1.1.0",
+        "debug": "^3.1.0",
+        "json5": "^0.5.0",
+        "lodash": "^4.17.10",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
+        "source-map": "^0.5.0"
+      }
+    },
+    "@babel/generator": {
+      "version": "7.1.5",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.1.5.tgz",
+      "integrity": "sha512-IO31r62xfMI+wBJVmgx0JR9ZOHty8HkoYpQAjRWUGG9vykBTlGHdArZ8zoFtpUu2gs17K7qTl/TtPpiSi6t+MA==",
+      "requires": {
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+        "jsesc": "^2.5.1",
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+        "source-map": "^0.5.0",
+        "trim-right": "^1.0.1"
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diff --git a/2obj/package.json b/2obj/package.json
new file mode 100644
index 0000000..9845841
--- /dev/null
+++ b/2obj/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "2obj",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "cucumber-js --require-module '@babel/register'"
+  },
+  "author": "Eugen Wissner <belka@caraus.de>",
+  "license": "MPL-2.0",
+  "dependencies": {
+    "@babel/core": "^7.1.5",
+    "@babel/preset-env": "^7.1.5",
+    "@babel/register": "^7.0.0",
+    "babel-loader": "^8.0.4",
+    "chai": "^4.2.0",
+    "cucumber": "^5.0.2"
+  }
+}
diff --git a/3bg/babel.config.js b/3bg/babel.config.js
new file mode 100644
index 0000000..ae49d86
--- /dev/null
+++ b/3bg/babel.config.js
@@ -0,0 +1,7 @@
+module.exports = {
+  presets: [
+    [ '@babel/env', {
+      useBuiltIns: 'usage'
+    }]
+  ]
+}
diff --git a/3bg/features/addition.feature b/3bg/features/addition.feature
new file mode 100644
index 0000000..9d5e099
--- /dev/null
+++ b/3bg/features/addition.feature
@@ -0,0 +1,14 @@
+Feature: Add Numbers
+	As a user of the calculator
+	I want to add 2 numbers
+
+	Background:
+		Given the start value is 5
+
+	Scenario: Add numbers
+		When I add 6
+		Then the result should be 11
+
+	Scenario: Add numbers
+		When I add 25
+		Then the result should be 30
diff --git a/3bg/features/concat.feature b/3bg/features/concat.feature
new file mode 100644
index 0000000..0d64db9
--- /dev/null
+++ b/3bg/features/concat.feature
@@ -0,0 +1,16 @@
+Feature: Concatenate strings
+	As a user of the concatenator
+	I want to concatenate 2 strings
+
+	Background:
+		Given the start value is "Georg"
+
+	Scenario: Concatenate strings
+		When I concatenate "Cantor"
+		Then the result should be "Georg Cantor"
+
+	Scenario: Concatenate strings
+		When I concatenate "Wilhelm"
+		When I concatenate "Friedrich"
+		When I concatenate "Hegel"
+		Then the result should be "Georg Wilhelm Friedrich Hegel"
diff --git a/3bg/features/steps/addition.js b/3bg/features/steps/addition.js
new file mode 100644
index 0000000..7ddea9c
--- /dev/null
+++ b/3bg/features/steps/addition.js
@@ -0,0 +1,14 @@
+import { Given, When, Then } from 'cucumber'
+import { expect } from 'chai'
+
+Given('the start value is {int}', function (int) {
+  this.calc = int
+})
+
+When('I add {int}', function (int) {
+  this.calc += int
+})
+
+Then('the result should be {int}', function (int) {
+  expect(this.calc).to.equal(int)
+})
diff --git a/3bg/features/steps/concat.js b/3bg/features/steps/concat.js
new file mode 100644
index 0000000..45cb7e2
--- /dev/null
+++ b/3bg/features/steps/concat.js
@@ -0,0 +1,14 @@
+import { Given, When, Then } from 'cucumber'
+import { expect } from 'chai'
+
+Given('the start value is {string}', function (string) {
+  this.concat = string
+})
+
+When('I concatenate {string}', function (string) {
+  this.concat += ' ' + string
+})
+       
+Then('the result should be {string}', function (string) {
+  expect(string).to.equal(this.concat)
+})
diff --git a/3bg/package-lock.json b/3bg/package-lock.json
new file mode 100644
index 0000000..1efc895
--- /dev/null
+++ b/3bg/package-lock.json
@@ -0,0 +1,1771 @@
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+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
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diff --git a/3bg/package.json b/3bg/package.json
new file mode 100644
index 0000000..6f3eb32
--- /dev/null
+++ b/3bg/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "3bg",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "cucumber-js --require-module '@babel/register'"
+  },
+  "author": "Eugen Wissner <belka@caraus.de>",
+  "license": "MPL-2.0",
+  "dependencies": {
+    "@babel/core": "^7.1.5",
+    "@babel/preset-env": "^7.1.5",
+    "@babel/register": "^7.0.0",
+    "babel-loader": "^8.0.4",
+    "chai": "^4.2.0",
+    "cucumber": "^5.0.2"
+  }
+}
diff --git a/4outline/babel.config.js b/4outline/babel.config.js
new file mode 100644
index 0000000..ae49d86
--- /dev/null
+++ b/4outline/babel.config.js
@@ -0,0 +1,7 @@
+module.exports = {
+  presets: [
+    [ '@babel/env', {
+      useBuiltIns: 'usage'
+    }]
+  ]
+}
diff --git a/4outline/features/addition.feature b/4outline/features/addition.feature
new file mode 100644
index 0000000..3b562e1
--- /dev/null
+++ b/4outline/features/addition.feature
@@ -0,0 +1,15 @@
+Feature: Add Numbers
+	As a user of the calculator
+	I want to add 2 numbers
+
+	Background:
+		Given the start value is 5
+
+	Scenario Outline: Add numbers
+		When I add <summand>
+		Then the result should be <sum>
+
+		Examples:
+			| summand | sum |
+			| 6       | 11  |
+			| 25      | 30  |
diff --git a/4outline/features/concat.feature b/4outline/features/concat.feature
new file mode 100644
index 0000000..0d64db9
--- /dev/null
+++ b/4outline/features/concat.feature
@@ -0,0 +1,16 @@
+Feature: Concatenate strings
+	As a user of the concatenator
+	I want to concatenate 2 strings
+
+	Background:
+		Given the start value is "Georg"
+
+	Scenario: Concatenate strings
+		When I concatenate "Cantor"
+		Then the result should be "Georg Cantor"
+
+	Scenario: Concatenate strings
+		When I concatenate "Wilhelm"
+		When I concatenate "Friedrich"
+		When I concatenate "Hegel"
+		Then the result should be "Georg Wilhelm Friedrich Hegel"
diff --git a/4outline/features/steps/addition.js b/4outline/features/steps/addition.js
new file mode 100644
index 0000000..7ddea9c
--- /dev/null
+++ b/4outline/features/steps/addition.js
@@ -0,0 +1,14 @@
+import { Given, When, Then } from 'cucumber'
+import { expect } from 'chai'
+
+Given('the start value is {int}', function (int) {
+  this.calc = int
+})
+
+When('I add {int}', function (int) {
+  this.calc += int
+})
+
+Then('the result should be {int}', function (int) {
+  expect(this.calc).to.equal(int)
+})
diff --git a/4outline/features/steps/concat.js b/4outline/features/steps/concat.js
new file mode 100644
index 0000000..45cb7e2
--- /dev/null
+++ b/4outline/features/steps/concat.js
@@ -0,0 +1,14 @@
+import { Given, When, Then } from 'cucumber'
+import { expect } from 'chai'
+
+Given('the start value is {string}', function (string) {
+  this.concat = string
+})
+
+When('I concatenate {string}', function (string) {
+  this.concat += ' ' + string
+})
+       
+Then('the result should be {string}', function (string) {
+  expect(string).to.equal(this.concat)
+})
diff --git a/4outline/package-lock.json b/4outline/package-lock.json
new file mode 100644
index 0000000..3e701d0
--- /dev/null
+++ b/4outline/package-lock.json
@@ -0,0 +1,1771 @@
+{
+  "name": "4outline",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+      "requires": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "@babel/core": {
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+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.1.5.tgz",
+      "integrity": "sha512-vOyH020C56tQvte++i+rX2yokZcRfbv/kKcw+/BCRw/cK6dvsr47aCzm8oC1XHwMSEWbqrZKzZRLzLnq6SFMsg==",
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/generator": "^7.1.5",
+        "@babel/helpers": "^7.1.5",
+        "@babel/parser": "^7.1.5",
+        "@babel/template": "^7.1.2",
+        "@babel/traverse": "^7.1.5",
+        "@babel/types": "^7.1.5",
+        "convert-source-map": "^1.1.0",
+        "debug": "^3.1.0",
+        "json5": "^0.5.0",
+        "lodash": "^4.17.10",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
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+      }
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diff --git a/4outline/package.json b/4outline/package.json
new file mode 100644
index 0000000..3d44c4e
--- /dev/null
+++ b/4outline/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "4outline",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "cucumber-js --require-module '@babel/register'"
+  },
+  "author": "Eugen Wissner <belka@caraus.de>",
+  "license": "MPL-2.0",
+  "dependencies": {
+    "@babel/core": "^7.1.5",
+    "@babel/preset-env": "^7.1.5",
+    "@babel/register": "^7.0.0",
+    "babel-loader": "^8.0.4",
+    "chai": "^4.2.0",
+    "cucumber": "^5.0.2"
+  }
+}
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..2b14c01
--- /dev/null
+++ b/README.md
@@ -0,0 +1,45 @@
+# Cucumber.js examples
+
+This repository demonstrates features of Cucumber.js. Each directory contains
+an independent npm-package with an example.
+
+The packages have standard directory structure:
+
+- Features are in the `feature/` directory and have `.feature` extension.
+- Step definitions are JavaScript files in `feature/steps/`.
+
+## Running the tests
+
+1. Go to a directory
+2. Install npm dependencies:
+```sh
+npm install
+```
+
+3. Run the tests:
+```sh
+npm test
+```
+
+## Available examples
+
+### 1-5
+
+The directories with the names starting with a number are parts of a single
+step-by-step guide which introduces Cucumber.js. Each step of this guide
+builds on the previous one and contains a few more lines of JavaScript code.
+
+The target project is a small test suite for the JavaScript `+` operator.
+
+### data-tables
+
+When data tables are used, Cucumber.js provides different views of the data.
+This directory contains one feature with four scenarios, each of which uses a
+different way to read the given table. These tests cover all possibilities to
+access the data in a data table.
+
+See [Data tables](https://github.com/cucumber/cucumber-js/blob/master/docs/support_files/data_table_interface.md).
+
+### async
+
+Shows how to use promises and `async`/`await` when testing asynchronous code.
diff --git a/async/babel.config.js b/async/babel.config.js
new file mode 100644
index 0000000..ae49d86
--- /dev/null
+++ b/async/babel.config.js
@@ -0,0 +1,7 @@
+module.exports = {
+  presets: [
+    [ '@babel/env', {
+      useBuiltIns: 'usage'
+    }]
+  ]
+}
diff --git a/async/features/request.feature b/async/features/request.feature
new file mode 100644
index 0000000..85e3123
--- /dev/null
+++ b/async/features/request.feature
@@ -0,0 +1,8 @@
+Feature: Request
+	Scenario:
+		When I request the same resource three times
+		Then the responses should be the same
+
+	Scenario:
+		When I request the same resource twice
+		Then the responses should be the same
diff --git a/async/features/steps/async.js b/async/features/steps/async.js
new file mode 100644
index 0000000..ea88856
--- /dev/null
+++ b/async/features/steps/async.js
@@ -0,0 +1,9 @@
+import { When } from 'cucumber'
+import axios from 'axios'
+
+When('I request the same resource twice', async function () {
+  const url = 'http://localhost:8080/'
+
+  this.first = await axios.request(url).data
+  this.second = await axios.request(url).data
+})
diff --git a/async/features/steps/request.js b/async/features/steps/request.js
new file mode 100644
index 0000000..ac74d10
--- /dev/null
+++ b/async/features/steps/request.js
@@ -0,0 +1,25 @@
+import { Given, When, Then } from 'cucumber'
+import { expect } from 'chai'
+import axios from 'axios'
+
+When('I request the same resource three times', function () {
+  const url = 'http://localhost:8080/'
+
+  return axios.request(url)
+    .then(res => {
+      this.first = res.data
+
+      return axios.request(url)
+    }).then(res => {
+      this.second = res.data
+
+      return axios.request(url)
+    }).then(res => {
+      this.third = res.data
+    })
+})
+
+Then('the responses should be the same', function () {
+  expect(this.first).to.equal(this.second)
+  expect(this.second).to.equal(this.third)
+})
diff --git a/async/features/support/hooks.js b/async/features/support/hooks.js
new file mode 100644
index 0000000..c86df1e
--- /dev/null
+++ b/async/features/support/hooks.js
@@ -0,0 +1,20 @@
+import { BeforeAll, AfterAll } from 'cucumber'
+import express from 'express'
+
+let server
+
+BeforeAll(function () {
+  const app = express()
+
+  app.get('/', (req, res) => {
+    res.send('Alea iacta est')
+  })
+
+  server = app.listen(8080)
+})
+
+AfterAll(function () {
+  server.close()
+})
+
+
diff --git a/async/package-lock.json b/async/package-lock.json
new file mode 100644
index 0000000..1931cb4
--- /dev/null
+++ b/async/package-lock.json
@@ -0,0 +1,2195 @@
+{
+  "name": "async",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
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+      "requires": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "@babel/core": {
+      "version": "7.1.5",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.1.5.tgz",
+      "integrity": "sha512-vOyH020C56tQvte++i+rX2yokZcRfbv/kKcw+/BCRw/cK6dvsr47aCzm8oC1XHwMSEWbqrZKzZRLzLnq6SFMsg==",
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/generator": "^7.1.5",
+        "@babel/helpers": "^7.1.5",
+        "@babel/parser": "^7.1.5",
+        "@babel/template": "^7.1.2",
+        "@babel/traverse": "^7.1.5",
+        "@babel/types": "^7.1.5",
+        "convert-source-map": "^1.1.0",
+        "debug": "^3.1.0",
+        "json5": "^0.5.0",
+        "lodash": "^4.17.10",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
+        "source-map": "^0.5.0"
+      }
+    },
+    "@babel/generator": {
+      "version": "7.1.5",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.1.5.tgz",
+      "integrity": "sha512-IO31r62xfMI+wBJVmgx0JR9ZOHty8HkoYpQAjRWUGG9vykBTlGHdArZ8zoFtpUu2gs17K7qTl/TtPpiSi6t+MA==",
+      "requires": {
+        "@babel/types": "^7.1.5",
+        "jsesc": "^2.5.1",
+        "lodash": "^4.17.10",
+        "source-map": "^0.5.0",
+        "trim-right": "^1.0.1"
+      }
+    },
+    "@babel/helper-annotate-as-pure": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0.tgz",
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+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-builder-binary-assignment-operator-visitor": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.1.0.tgz",
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+      "requires": {
+        "@babel/helper-explode-assignable-expression": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-call-delegate": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-call-delegate/-/helper-call-delegate-7.1.0.tgz",
+      "integrity": "sha512-YEtYZrw3GUK6emQHKthltKNZwszBcHK58Ygcis+gVUrF4/FmTVr5CCqQNSfmvg2y+YDEANyYoaLz/SHsnusCwQ==",
+      "requires": {
+        "@babel/helper-hoist-variables": "^7.0.0",
+        "@babel/traverse": "^7.1.0",
+        "@babel/types": "^7.0.0"
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+    },
+    "@babel/helper-define-map": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-define-map/-/helper-define-map-7.1.0.tgz",
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+        "@babel/types": "^7.0.0",
+        "lodash": "^4.17.10"
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+      "resolved": "https://registry.npmjs.org/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.1.0.tgz",
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+        "@babel/types": "^7.0.0"
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+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz",
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diff --git a/async/package.json b/async/package.json
new file mode 100644
index 0000000..d9d9be8
--- /dev/null
+++ b/async/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "async",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "cucumber-js --require-module '@babel/register'"
+  },
+  "author": "Eugen Wissner <belka@caraus.de>",
+  "license": "MPL-2.0",
+  "dependencies": {
+    "@babel/core": "^7.1.2",
+    "@babel/preset-env": "^7.1.0",
+    "@babel/register": "^7.0.0",
+    "axios": "^0.18.0",
+    "babel-loader": "^8.0.4",
+    "chai": "^4.2.0",
+    "cucumber": "^5.0.2",
+    "express": "^4.16.4"
+  }
+}
diff --git a/data-tables/babel.config.js b/data-tables/babel.config.js
new file mode 100644
index 0000000..ae49d86
--- /dev/null
+++ b/data-tables/babel.config.js
@@ -0,0 +1,7 @@
+module.exports = {
+  presets: [
+    [ '@babel/env', {
+      useBuiltIns: 'usage'
+    }]
+  ]
+}
diff --git a/data-tables/features/json.feature b/data-tables/features/json.feature
new file mode 100644
index 0000000..176efc6
--- /dev/null
+++ b/data-tables/features/json.feature
@@ -0,0 +1,69 @@
+Feature:
+	As the owner of a book collection
+	I want to be able to generate JSON containing titles from this collection
+
+	Scenario:
+		Given the following books by Simon Frank are in the collection:
+			| id | title                      |
+			| 1  | Der Gegenstand des Wissens |
+			| 2  | Lebendiges Wissen          |
+		When I stringify it
+		Then I should get:
+			"""
+			[{
+			  "id": 1,
+			  "title": "Der Gegenstand des Wissens"
+			},{
+			  "id": 2,
+			  "title": "Lebendiges Wissen"
+			}]
+			"""
+
+		Given the following books by Søren Kierkegaard are in the collection:
+			| id | title                  |
+			| 1  | Die Krankheit zum Tode |
+			| 2  | Entweder-Oder          |
+		When I stringify it
+		Then I should get:
+			"""
+			[{
+			  "id": 1,
+			  "title": "Die Krankheit zum Tode"
+			},{
+			  "id": 2,
+			  "title": "Entweder-Oder"
+			}]
+			"""
+
+		Given the following book is in the collection:
+			| id     | 1               |
+			| title  | Leonce und Lena |
+			| author | Georg Büchner   |
+		When I stringify it
+		Then I should get:
+			"""
+			{
+			  "id": 1,
+			  "title": "Leonce und Lena",
+			  "author": "Georg Büchner"
+			}
+			"""
+
+		Given the following books are in the collection:
+			| Friedrich Nietzsche | Die Geburt der Tragödie    |
+			| Jacques Derrida     | Die unbedingte Universität |
+			| Honoré de Balzac    | Die Frau von 30 Jahren     |
+		When I stringify it
+		Then I should get:
+			"""
+			[{
+			  "author": "Friedrich Nietzsche",
+			  "title": "Die Geburt der Tragödie"
+			},{
+			  "author": "Jacques Derrida",
+			  "title": "Die unbedingte Universität"
+			},{
+			  "author": "Honoré de Balzac",
+			  "title": "Die Frau von 30 Jahren"
+			}]
+			"""
diff --git a/data-tables/features/steps/json.js b/data-tables/features/steps/json.js
new file mode 100644
index 0000000..cd61a8b
--- /dev/null
+++ b/data-tables/features/steps/json.js
@@ -0,0 +1,50 @@
+import { Given, When, Then } from 'cucumber'
+import { expect } from 'chai'
+
+Given('the following books by Simon Frank are in the collection:', function (dataTable) {
+  this.objects = []
+  dataTable.hashes().forEach(el => {
+    this.objects.push({
+      id: parseInt(el.id),
+      title: el.title
+    })
+  })
+})
+
+Given('the following books by Søren Kierkegaard are in the collection:', function (dataTable) {
+  this.objects = []
+  dataTable.rows().forEach(el => {
+    this.objects.push({
+      id: parseInt(el[0]),
+      title: el[1]
+    })
+  })
+})
+
+Given('the following book is in the collection:', function (dataTable) {
+  const data = dataTable.rowsHash()
+  this.objects = {
+    id: parseInt(data.id),
+    title: data.title,
+    author: data.author
+  }
+})
+
+Given('the following books are in the collection:', function (dataTable) {
+  this.objects = []
+  dataTable.raw().forEach(el => {
+    this.objects.push({
+      author: el[0],
+      title: el[1]
+    })
+  })
+})
+
+When('I stringify it', function () {
+  this.result = JSON.stringify(this.objects)
+})
+
+Then('I should get:', function (expected) {
+  expect(JSON.parse(expected))
+    .to.deep.equal(JSON.parse(this.result))
+})
diff --git a/data-tables/package-lock.json b/data-tables/package-lock.json
new file mode 100644
index 0000000..334f93c
--- /dev/null
+++ b/data-tables/package-lock.json
@@ -0,0 +1,1771 @@
+{
+  "name": "data-tables",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@babel/code-frame": {
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diff --git a/data-tables/package.json b/data-tables/package.json
new file mode 100644
index 0000000..3c6f405
--- /dev/null
+++ b/data-tables/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "data-tables",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "cucumber-js --require-module '@babel/register'"
+  },
+  "author": "Eugen Wissner <belka@caraus.de>",
+  "license": "MPL-2.0",
+  "dependencies": {
+    "@babel/core": "^7.1.5",
+    "@babel/preset-env": "^7.1.5",
+    "@babel/register": "^7.0.0",
+    "babel-loader": "^8.0.4",
+    "chai": "^4.2.0",
+    "cucumber": "^5.0.2"
+  }
+}