- The Book of Nothing: Vacuums, Voids, and the Latest Ideas about the Origins of the Universe
- The Infinite Book: A Short Guide to the Boundless, Timeless and Endless
- 100 Essential Things You Didn't Know You Didn't Know
- The Anthropic Cosmological Principle (Oxford Paperbacks)
- The Constants of Nature: The Numbers That Encode the Deepest Secrets of the Universe