Inside the Real Area 51: The Secret History of Wright Patterson

A Brief History Of Time: From Big Bang To Black Holes

Roswell: The Ultimate Cold Case; Eyewitness Testimony and Evidence of Contact and the Cover-Up

Our Mathematical Universe: My Quest for the Ultimate Nature of Reality

The Children of Roswell: A Seven-Decade Legacy of Fear, Intimidation, and Cover-Ups

Death by Black Hole, and Other Cosmic Quandaries

The Custodians: Beyond Abduction

Cover-Up at Roswell: Exposing the 70-Year Conspiracy to Suppress the Truth

Our Occulted History: Do the Global Elite Conceal Ancient Aliens?

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

The Lost Book of Enki: Memoirs and Prophecies of an Extraterrestrial God

Ancient Aliens®: The Official Companion Book

The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos

A Briefer History of Time

The Planets

Alien World Order: The Reptilian Plan to Divide and Conquer the Human Race

Keepers of the Garden

The Convoluted Universe, Book Five

The Big Picture: On the Origins of Life, Meaning, and the Universe Itself