Endorsed by Edexcel [subject to approval], this is the revision book for students following Edexcel GCSE Specification B. It is clear and concise, easy to use, and competitively priced. It gives students clear guidance about the case studies and concepts they need for all the core and option units, revision activities and questions for each unit, information about the exam format and how answers are marked, and help in preparing for the decision-making paper.