UFO (Unidentified Flying Objects) and Extraterrestrial Intelligence

The Government's UFO Secrets Revealed

Close Encounters of the Third Kind

An Official Sekret Machines Investigation of the UFO Phenomenon

Eyewitness Accounts From the Real Area 51

The World's Leading Scientists on the Search for Extraterrestrial Life

Sightings, Abductions, Hot Spots, Conspiracies, Coverups, the Identified and Unidentified, and More

An Illustrated Dossier of Alien Encounters

The Phenomenon From the Beginning

Generals, Pilots, and Government Officials Go on the Record

The Definitive Guide to Unidentified Flying Objects and Related Phenomena

Opposing Viewpoints

What Scientists Say May Shock You!

The Betty and Barney Hill UFO Experience : the True Story of the World's First Documented Alien Abduction

A Scientist Investigates the Mysteries of UFOs : Interstellar Travel, Crashes, and Government Cover-ups

UFOs, the Military and Intelligence

Volume II, A Thirty-year Report

Jill Tarter and the Search for Extraterrestrial Intelligence