This chunky CGP Student Book is a comprehensive guide to both years of OCR A A-Level Biology! It's packed with in-depth, accessible notes explaining every topic, supported by clear diagrams, photographs, tips and worked examples. To test students' knowledge and understanding, there are practice questions and exam-style questions throughout the book (with detailed answers included). There's also detailed guidance on Maths Skills and Practical Investigations, plus indispensable advice for success in the final exams. What's more, we've thrown in a free Online Edition that lets you read the entire book on a PC, Mac or tablet. When the book arrives, just use the unique code printed inside the cover to gain full access. Don't miss CGP's Student Books covering both years of OCR A A-Level Chemistry (9781789086683) and Physics (9781789086690).