This CGP Complete Revision & Practice book explains every Biology topic students need to know for the Grade 9-1 Edexcel GCSE Combined Science course. It's packed with clear study notes, examples and diagrams. It also has plenty of advice on the core practicals and maths skills. There's a huge range of practice questions and exam-style questions in every section (with answers included at the back). What's more, the book is rounded off with a set of realistic Biology practice papers. A free Online Edition of the whole book is also included - just use the unique code printed inside the cover to access it. For complete coverage of the course, separate CGP Complete Revision & Practice books are available for Edexcel Combined Science Chemistry (9781782948780) and Physics (9781782948797).