Perfect for revision, these guides explain the unit requirements, summarise the content and include specimen questions with graded answers. Each full-colour New Edition Student Unit Guide provides ideal preparation for your unit exam:.; Feel confident you understand the unit: each guide comprehensively covers the unit content and includes topic summaries, knowledge check questions and a reference index.; Get to grips with the exam requirements: the specific skills on which you will be tested are explored and explained.; Analyse exam-style questions: graded student responses will help you focus.