Providing complete, step-by-step coverage of the 2008 Edexcel GCE Biology specification, this is the official Student Book for the concept-led approach to the specification. Written by experienced examiners, it offers students motivating and relevant content to improve exam performance and ensure students fulfil their full potential. *Allows for regular testing and exam preparation with real Edexcel past questions, provided in the 'Examzone' sections. *Supports independent learning through a range of additional resources provided on the ActiveBook CD-ROM, included FREE in the back of each book. *Helps students build a wide range of skills, including data analysis, critical evaluation of information, communication and collaborative work. *Gives students an in-depth, scientific understanding of the principles covered in each topic, including How Science Works. *Helps students easily see how content from the specification is covered through topic overview maps. *Written by highly respected and experienced authors.