Ideal as a companion throughout any AS or A2 course, this handy volume will help students access, understand and revise for their exams using the best-selling textbook by Haralambos & Holborn. Structured around the fifteen chapter headings of the fifth edition, each unit contains: * At-a-glance specification links for both main boards at AS and A2 levels * Essential notes - relevant sections in main textbook highlighted and summarised with marginal key points and headings * Multiple choice questions to aid knowledge and understanding * Build your skills section -activities to develop evaluation * Exam practice questions and worked answers - with examiner input.