This book (with free Online Edition) contains thorough study notes for AQA GCSE Extension Science - also known as GCSE Further Additional Science. It covers the final 'Extension' topics from GCSE Biology, Chemistry and Physics (Modules B3a, B3b, C3a, C3b, P3a, P3b). It's easy to read and revise from - everything's explained simply in CGP's student-friendly style. What's more, a free Online Edition of the whole book is included - perfect for revising on a PC, Mac or tablet device.