If you're after a book that checks and develops understanding throughout the Grade 9-1 AQA GCSE Biology Higher course, look no further than CGP's superb Workbook. It's packed with hundreds of indispensable questions covering every key topic (including practical questions) - ideal for honing the vital skills in class or at home. There are also tips and hints for some of the trickiest questions, and a generous dash of CGP fun to help keep students motivated. Answers to every question are available in a separate book (9781789082586). Don't miss matching study notes in CGP's AQA GCSE Biology Revision Guide (9781782945567).