Earth: An Alien Enterprise

A Covert Agenda: The British Government's UFO Top Secrets Exposed

Alien Dawn: An Investigation into the Contact Experience

The Extraterrestrial Answer Book: UFOs, Alien Abductions, and the Coming ET Presence

Walking Through Walls and Other Impossibilities: The Hybrid Agenda

Alien Encounters

The UFO Files: The Canadian Connection Exposed

Sight Unseen: Science, UFO Invisibility, and Transgenic Beings

Real Aliens, Space Beings, and Creatures from Other Worlds

We've Never Been Alone: A History of Extraterrestrial Intervention

Real Visitors, Voices from Beyond, and Parallel Dimensions

UFOs: A History of Alien Activity from Sightings to Abductions to Global Threat: A History of Alien Activity from Sightings to Abductions to Global Threat

UFOs, ETs, and Alien Abductions: A Scientist Looks at the Evidence

The Allies of Humanity Book One

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

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

Crash at Corona: The U.S. Military Retrieval and Cover-up of a UFO

Roswell: Uncovering the Secrets of Area 51 and the Fatal UFO Crash

Strange Secrets: Real Government Files on the Unknown

The Custodians: Beyond Abduction