Planetary Revolution: The Next Stage in Human Awareness!

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

Across the Gulf & On the Bay

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

Mythos & Symbolic Humanity: Paired Literary–Scientific Visions — Language, Stone-Shaping, and the Birth of Culture

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

Servants of the Flower World: Book I-III

The Planets

The Edge of Return: Servants of the Flower World Book V

The Astronomy Book: Big Ideas Simply Explained

As Lover, Lion, & Phoenix

New Scientist: The Origin of (almost) Everything: from the Big Bang to Belly-button Fluff

Twelve Suspects: And the Case of the Missing Body

Interstellar: The Search for Extraterrestrial Life and Our Future in the Stars

Dream World Trilogy

Where the Universe Came From: How Einstein's relativity unlocks the past, present and future of the cosmos

Giant Under the Mountain: & the Mystery of Sacrifice

The End of Everything: (Astrophysically Speaking)

Cosmos, Bios & Mythos: The Saga of Beyond and the New World

The Order of Time