Immune: A Journey into the Mysterious System That Keeps You Alive

Why We Sleep: Unlocking the Power of Sleep and Dreams

Escaping from Eden: Does Genesis teach that the human race was created by God or engineered by ETs?

Walking the Himalayas: An Adventure of Survival and Endurance

AsapSCIENCE: Answers to the World's Weirdest Questions, Most Persistent Rumors, and Unexplained Phenomena

Eastern Horizons: Shortlisted for the 2018 Edward Stanford Award

Arabia: A Journey Through The Heart of the Middle East

North: Finding My Way While Running the Appalachian Trail

Anatomy and Physiology : The Cardiovascular System

Walking the Americas: ‘A wildly entertaining account of his epic journey' Daily Mail

The Seven Daughters of Eve: The Science That Reveals Our Genetic Ancestry

The Old Ways: A Journey on Foot

Alpha Male: A Forbidden Opposites Attract Romance (How to Build Unshakable Self-confidence, Attract High-quality Women, and Build a Successful Life)

Alpha Male: Become Confident and Successful With Daily Habits (The Ultimate Guide to Unlock Your Full Potential and Win Over Women)

Protocols: An Operating Manual for the Human Body

My Beloved Brontosaurus: On the Road with Old Bones, New Science, and Our Favorite Dinosaurs

The Third Chimpanzee: The Evolution and Future of the Human Animal

The Tale of the Dueling Neurosurgeons: The History of the Human Brain as Revealed by True Stories of Trauma, Madness, and Recovery

Walking Home: My Family and Other Rambles

T. Rex and the Crater of Doom