1. UFOs: Generals, Pilots, and Government Officials Go on the Record, by Leslie Kean
2. The Mothman Prophecies, by John A. Keel
3. Witness to Roswell: Unmasking the Government's Biggest Cover-Up, by Thomas J. Carey, Donald R. Schmitt, and Edgar Mitchell
4. Communion, by Whitley Strieber
5. Encounter in Rendlesham Forest, by Nick Pope

6. The Interrupted Journey, by John G. Fuller

7. Mirror Earth, Michael D. Lemonick

8. The Day After Roswell, by Philip Corso

9. Chariots of the Gods: Unsolved Mysteries of the Past, by Erich von Däniken
11. Area 51: An Uncensored History of America's Top Secret Military Base, by Annie Jacobsen
12. The 12th Planet, by Zecharia Sitchin
