Top 10 Best Ufo Book

UFOs: Generals, Pilots, and Government Officials Go on the Record

Skinwalkers at the Pentagon: An Insiders' Account of the Secret Government UFO Program

The UFO Hotspot Compendium: All the Places to Visit Before You Die or Are Abducted (MUFON)

UFO of GOD: The Extraordinary True Story of Chris Bledsoe

UFO: The Inside Story of the US Government's Search for Alien Life Hereand Out There

The UFO Magazine UFO Encyclopedia: The Most Compreshensive Single-Volume UFO Reference in Print

An Illustrated History of UFOs

Captured! The Betty and Barney Hill UFO Experience (60th Anniversary Edition): The True Story of the World's First Documented Alien Abduction

UFO Secrets Inside Wright-Patterson: Eyewitness Accounts from the Real Area 51

In Plain Sight: An investigation into UFOs and impossible science