The Government UFO Files: The Conspiracy of Cover-Up

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

The UFO Files: The Canadian Connection Exposed

UFOs: Myths, Conspiracies, and Realities

The Big Book of UFOs

UFOs and Government: A Historical Inquiry

Sight Unseen: Science, UFO Invisibility, and Transgenic Beings

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

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

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

A UFO Hunter's Guide: Sightings, Abductions, Hot Spots, Conspiracies, Coverups, the Identified and Unidentified, and More

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

The Report on Unidentified Flying Objects: The Original 1956 Edition

The Canadian UFO Report: The Best Cases Revealed

Project Beta: The Story of Paul Bennewitz, National Security, and the Creation of a Modern UFO Myth

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

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

UFOs and the Extraterrestrial Message: A spiritual insight into UFOs and cosmic transmissions

Alien Encounters

A World of UFOs