Further revision and exam practice support is provided in the Exam Cafe at the end of each section. Exam Cafe contains the following to help with assessment and revision: Exemplar Material - model questions with answers, plus examiner feedback to help show students what they need to do to improve. Content coverage checklists ensure students know what they are required to know and understand for each chapter. 'Revise as you go' sections 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 provide handy advice from fellow students about general revision and exam experiences. Examiner's tips provide advice from the examiner specific to the Edexcel qualification.