The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory

Endurance: A Year in Space, A Lifetime of Discovery

Imminent: Inside the Pentagon's Hunt for UFOs

Classical Mechanics: The Theoretical Minimum

Death by Black Hole: And Other Cosmic Quandaries

Quantum Mechanics: The Theoretical Minimum

The Magic of Reality: From the multi-million bestselling author of The God Delusion

Principles of Mechanics: Fundamental University Physics

The Extraterrestrial Species Almanac: The Ultimate Guide to Greys, Reptilians, Hybrids, and Nordics

The Astronomy Book: Big Ideas Simply Explained

Engineering Physics

Astrophysics for People in a Hurry

The Feynman Lectures on Physics, Vol. I: The New Millennium Edition: Mainly Mechanics, Radiation, and Heat

Philip's Exploring Stars and Planets