The two core and two option books provide students with the perfect study companion, for both the AQA and OCR AS specifications. Using a totally different and unique approach, the Complete Companion series provides a tailor-made resource specifically focused on providing students with complete reassurance for exam preparation. Interactive full-colour double-page spreads cover each topic in each unit, with summaries and explanations of key research studies and concepts to aid students' learning and revision process. This book features data response and stimulus questions building students's confidence for the examination, and self-assessment questions providing valuable reinforcement throughout. It contains coursework suggestions and authoritative advice and guidance on exam technique to aid students' revision. This core series offers students the opportunity to improve their grades and have their very own expert to take home- the Complete Companion!