Collins all-in-one revision guide and exam practice workbook for GCSE Biology shows what each student needs to do to move up a grade, with lots of practice questions to support progression. * Content written by examiners to help students step up a level in their exams and get the grade they want. * Detachable workbook answers for flexible practice. * Content tried and tested in schools and recommended by teachers. * Vibrant jackets help books stand out on the shelf.