The UFO Files: The Inside Story of Real-life Sightings

The Big Book of UFOs

Alien Craft, UFO's and Alien Technology

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

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

Alien Mysteries, Conspiracies and Cover-Ups

Walking Through Walls and Other Impossibilities: The Hybrid Agenda

Strange Secrets: Real Government Files on the Unknown

Real Aliens, Space Beings, and Creatures from Other Worlds

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

A World of UFOs

UFOs: Myths, Conspiracies, and Realities

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

Sight Unseen: Science, UFO Invisibility, and Transgenic Beings

Alien Encounters

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

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

THE SEEDERS: The Return Of The Gods