This book contains all-in-one exam preparation resources for Higher Level Edexcel GCSE Maths, including a free Online Edition to use on a PC, Mac or tablet device. Every Edexcel topic is clearly explained in CGP's informal, straightforward style, with plenty of tips and worked examples. Each mini-section is rounded off with a quick warm-up test and a selection of exam-style questions, with detailed answers at the back. At the end of the book, you'll find two full practice exam papers - you can watch fully worked video solutions to these papers once you've accessed the Online Edition of the book. Separate editions of this book are also available for AQA (9781847621771) and all other exam boards (9781841463773).