Designed for classroom and independent study, our Revision Guides include a FREE online edition and complement the Student Books with a range of features: One-topic-per-page format helps you revise more quickly, without the hassle Exam-style worked examples match the new specification and demonstrate good exam technique 'Now try this' exam-style practice questions let you test your understanding of a topic Problem solving support throughout including tricky questions on easy topics and strategies and techniques for answering harder questions Complete coverage of the 9-1 specification including brand-new topics Visual explanations of key concepts help you revise quickly and recall key skills in your exams