The Book

All the CS Unplugged activities are available in book form as a free download.

If you’d like a bound, printed copy, it’s available from; if you buy this print version you’ll also be making a donation towards improving the resources we offer.

PDF Download: You can download the 2015 edition here: CSUnplugged_OS_2015_v3.1

Word Download: You can get a version that you can edit in MS Word (or Open Office) via the Contribute page.

Order Physical Book: You can get this from from — we appreciate your support!

A full changelog of changes made to these books are available on the changelog page.

Other Languages

Chapters from the book has been translated into many languages. Where only one or two chapters have been translated, they can be obtained from the relevant page for the activity. The following languages have complete (or near-complete) translations of a version of the book.


The Korean version is available from BookWall or Yes24.


A Simplified Chinese version has been published by HUST press.


The first half of the book has been translated into Dutch. You can find more on


A French version is available here.


A Hebrew version is available here.


A Portuguese version is available here.


A Spanish version is available here.


For other languages, see the individual activities.


Buying the book and items from CS Unplugged helps support the development of new resources, the website and teaches more kids about the wonders of Computer Science. You can read our other principles, here.