All you need to get started is a computer and this programming guide, a book that's just right for beginners of any age to develop real coding skills. Follow the step-by-step instructions through six missions and you will learn HTML, CSS, and JavaScript. Once you've helped secure the infamous Monk Diamond, continue to improve and test your expertise by coding your own projects and accomplishing your own daring missions!

Includes index. Previously published in London by Walker Books in 2016 with David Whitney credited as the author.

About this book -- Introduction -- How to use this book -- Key code skills -- Mission 1: Build a web page -- Mission 2: Create a password -- Mission 3: Build an app -- Mission 4: Plan a route -- Mission 5: Make a game -- Mission 6: Your finished website -- What's next? -- Index.