Surviving Death: A Journalist Investigates Evidence for an Afterlife

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

Wonders in the Sky: Unexplained Aerial Objects from Antiquity to Modern Times

Flying Saucers and Science: A Scientist Investigates the Mysteries of UFOs

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

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

Roswell in the 21st Century

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

Unearthly Disclosure

The Report on Unidentified Flying Objects: The Original 1956 Edition

The UFO Files: The Canadian Connection Exposed

The Government UFO Files: The Conspiracy of Cover-Up

Real Aliens, Space Beings, and Creatures from Other Worlds

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

Keepers of the Garden

Alien Encounters

A.D. After Disclosure: When the Government Finally Reveals the Truth About Alien Contact

Crash at Corona: The U. S. Military Retrieval and Cover-up of a UFO - the Definitive Study of the Roswell Incident

The Gods Never Left Us: The Long Awaited Sequel to the Worldwide Best-seller Chariots of the Gods

Communion: A True Story