Designed to prepare students for health-related careers, General, Organic, and Biological Chemistry: Structures of Life breaks chemical concepts down into manageable pieces and offers a step-by-step approach that clarifies student understanding. Timberlake's friendly writing style, student focus, strong problems, and engaging, health-related applications make this book a best seller among its peers. The Fourth Edition emphasises connections between chemistry and students' future careers and develops the problem-solving skills students need beyond the classroom. Each chapter now includes NEW chapter-opening Career Interviews and Career Focus features to illustrate the role chemistry plays in modern, health-related professions. A new Analyse the Problem feature furthers critical-thinking skills by showing students how to break down a word problem into the components needed to solve that problem. Throughout the new edition, national student performance data collected through Mastering Chemistry.