This clear, concise Complete Revision & Practice book from CGP is a perfect way to prepare for the OCR A AS-Level Biology exams (it also covers every Year 1 topic from the full OCR A A-Level Biology course). It's fully up-to-date for the new exam specifications for 2015 and beyond, with straightforward explanations, helpful examples and full-colour diagrams throughout. Practice questions and exam-style questions are included for every topic, with answers included at the back. And finally, a free Online Edition of the whole book is included - just use the code printed inside the book to access it on your PC, Mac or tablet!