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

UFOs in Wartime: What They Didn't Want You To Know

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

The UFO Dossier: 100 Years of Government Secrets, Conspiracies, and Cover-Ups

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

The UFO Files: The Canadian Connection Exposed

UFO Headquarters: Investigations on Current Extraterrestrial Activity in Area 51

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

Alien Encounters

The Government UFO Files: The Conspiracy of Cover-Up

Real Aliens, Space Beings, and Creatures from Other Worlds

The Day After Roswell

THE SEEDERS: The Return Of The Gods

A Gift From The Stars

UFO Briefing Document: The Best Available Evidence

The 12th Planet (Book I): Book 1

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

Astrophysics for People in a Hurry

UFOs and the National Security State: Chronology of a Cover-up, 1941–1973

Imminent: Inside the Pentagon's Hunt for UFOs