For unbeatable KS3 Computing Complete Revision & Practice, look no further than CGP's all-in-one guide! 
It's bursting with full-colour study notes, tips and examples - including programming examples in Scratch and Python. 
There are plenty of warm-up questions and practice questions. Plus we've included mixed practice tests and a practice exam to see how much you really know - and answers to everything. What's more, a free Online Edition of the whole book is included so you can read it on a PC, Mac or tablet. Just use the unique code printed inside the cover to gain full access.