Advanced Biology: Principles & Applications

Advanced Biology: Principles & Applications by Clegg with Mackean is a comprehensive and authoritative A-Level biology textbook that has supported generations of students in achieving excellence at advanced secondary level. The book covers all major areas of A-Level biology — including biochemistry, cell structure, genetics, physiology, and ecology — with exceptional clarity and scientific depth. Detailed diagrams, worked examples, and examination questions are integrated throughout, making it an effective tool for both learning and revision. A classic and highly respected resource in A-Level biology education across the United Kingdom and internationally.