Learn how to write HTML, CSS, and JavaScript and build your own website, app, and game An essential guide to computer programming for kids-- by kids. Crack open this book and set off on several fun missions -- while simultaneously learning the basics of writing code. Want to make a website from scratch? Create an app? Build a game? All the tools are here, laid out in a user-friendly format that leads kids on an imaginary quest to keep a valuable diamond safe from dangerous jewel thieves. Presented by Young Rewired State -- an international collective of tech-savvy kids -- in easy-to-follow, bite-size chunks, the real-life coding skills taught in this engaging, comprehensive guide may just set young readers on the path to becoming technology stars of the future.