With simple text, graphics, and hands-on activities, this book teaches readers about the ways coding is used in the complex inner workings of common items such as traffic lights and smoke detectors.

Includes index. First published in Great Britain in 2017 by Wayland, an imprint of Hachette Children's Group.

Everyday computers -- Car or computer -- Road safety -- Home sweet home -- Shopping -- Money, money -- Flying high -- Follow that robot -- The future.