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

Area 51: The Dreamland Chronicles

Strange Secrets: Real Government Files on the Unknown

The UFO Files: The Canadian Connection Exposed

The Big Book of UFOs

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 Canadian UFO Report: The Best Cases Revealed

The Presidents and UFOs: A Secret History from FDR to Obama

The Government UFO Files: The Conspiracy of Cover-Up

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

UFOs: Myths, Conspiracies, and Realities

Alien Encounters

Sight Unseen: Science, UFO Invisibility, and Transgenic Beings

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

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

Real Aliens, Space Beings, and Creatures from Other Worlds

Alien Mysteries, Conspiracies and Cover-Ups

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

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

Keepers of the Garden