Secret History: Conspiracies from Ancient Aliens to the New World Order

Astrophysics for People in a Hurry

Bloodline of the Gods: Unravel the Mystery of the Human Blood Type to Reveal the Aliens Among Us

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

Immortality of the Gods: Legends, Mysteries, and the Alien Connection to Eternal Life

Origins: Fourteen Billion Years of Cosmic Evolution

Secret Societies: The Complete Guide to Histories, Rites, and Rituals

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

Keep Out!: Top Secret Places Governments Don't Want You to Know About

Imminent: Inside the Pentagon's Hunt for UFOs

Close Encounters of the Fatal Kind: Suspicious Deaths, Mysterious Murders, and Bizarre Disappearances in UFO History

Rocket Men: The Daring Odyssey of Apollo 8 and the Astronauts Who Made Man's First Journey to the Moon

The Alien Book: A Guide To Extraterrestrial Beings On Earth

New Scientist: The Origin of (almost) Everything

Monsters of the Deep

The Science of Interstellar

The Martians: Evidence of Life on the Red Planet

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

The Monster Book: Creatures, Beasts and Fiends of Nature

Space Chronicles: Facing the Ultimate Frontier