Mitochondria are the powerhouses of the cell, but what are they other than that? Everything. At least that is what the author of this book argues: Power, Sex, Suicide: Mitochondria and the Meaning of Life, by Nick Lane.
What's the link between cellular respiration and cancer? This book is high-level, but armed with your new knowledge and understanding of cellular respiration terminology, it will make a lot more sense to you than to the average Joe. Cellular Respiration and Carcinogenesis, with Shireesh Apte and Rangaprasad Sarangarajan, editors.
Curious about what fermentation can do for you? Look no further. This book will teach you how to ferment pretty much any food or beverage (yogurt, anyone?) and gives a nice history of the importance of fermentation to humans. Pretty rad. The Art of Fermentation: an In-Depth Exploration of Essential Concepts and Processes From Around the World, by Sandor Ellix Katz.
Metabolic processes are crucial to harnessing athletic power. Read about metabolism in a sports context in Biochemistry for Sport and Exercise Metabolism, by Don MacLaren.