GCSE Core Science Revision Guide - Foundation (with online edition) by CGP Books
This book (with free Online Edition) is full of clear revision notes and diagrams for every major Foundation Level GCSE Core Science course. It includes a section on 'How Science Works', loads of exam advice and revision summary questions. Everything's simply explained on uncluttered pages, with a touch of humour to keep things interesting. What's more, a free Online Edition of the whole book is included - perfect for revising on a PC, Mac or tablet device.