This book delivers all you need for the new Edexcel specification. Written by an expert author team, the AS Student Book offers complete coverage of the new Edexcel specification with a strong focus on assessment throughout.New for this edition is the Exam Cafe feature which provides every student with a motivating way to thoroughly prepare for their exams. Features include: Exemplar Material - model questions with answers at 'A' grade, plus examiner feedback to help show students what they need to do to improve; Content coverage checklists - to ensure students know what they are required to know and understand for each chapter; 'Revise as you go' sections that provide a series of questions at the end of each chapter and the answers at the back of the book to help students see how they are progressing; Student tips that provide handy advice from fellow students about general revision and exam experiences; and, Examiner's tips - advice from the examiner specific to the Edexcel qualification.