This book provides write-in practice specially designed to support students aiming for success at GCSE. It has been carefully written to build students' familiarity and confidence with the content and skills required. Accessible, clear and thorough, this exam practice book engages all your students. Clearly-written using Oxford's popular On Your Marks approach, it focuses on planning, writing, and marking answers supported with sample answers at a range of levels, with marked and annotated versions pointing out good practice and useful tips. Motivating exam practice - including two complete sets of exam papers based on the OCR B sample assessment materials - reinforces this rigorous approach. In addition, guided answers and mark schemes will be provided online.