Would You Baptize an Extraterrestrial?: . . . and Other Questions from the Astronomers' In-box at the Vatican Observatory

Cosmos

Dark Matter and the Dinosaurs: The Astounding Interconnectedness of the Universe

Origins: Fourteen Billion Years of Cosmic Evolution

Death by Black Hole: And Other Cosmic Quandaries

The Fabric of the Cosmos: Space, Time and the Texture of Reality

Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium

A Universe from Nothing: Why There Is Something Rather than Nothing

Digital SLR Astrophotography

Human Universe

Stargazing For Dummies

The Black Hole War: My Battle with Stephen Hawking to Make the World Safe for Quantum Mechanics

UFOs: Generals, Pilots and Government Officials Go On the Record

The Planets

Space Chronicles: Facing the Ultimate Frontier

The Astronomy Book: Big Ideas Simply Explained

The Quantum Universe: Everything that can happen does happen

Before the Big Bang: The Prehistory of Our Universe

Philip's Exploring Stars and Planets