This book (with free Online Edition) covers the Edexcel Level 1 / Level 2 in Biology and the Edexcel International GCSE in Biology. It contains a huge range of exam-style practice questions, arranged by topic for targeted revision - with detailed answers included. At the end of the book, there are two complete practice papers for realistic preparation before the final exams. You can also read an Online Edition of the whole book on a PC, Mac or tablet device - just use the unique code printed in the book to access it. (Study notes for this course are available in the matching CGP Revision Guide - see 9781847626899.)