Incoming Resources
- Operation Trojan Horse, the classic breakthrough study of UFOs, John A. Keel
- The alien hunter's guide, by Gomer Bolstrood
- Mysteries of UFOs, Kathryn Walker based on original text by Brian Innes
- UFO, the inside story of the US government's search for alien life here--and out there, Garrett M. Graff
- The science of aliens, the real science behind the gods and monsters from space and time, Mark Brake
- UFOs, by Gillia M. Olson
- They are already here, UFO culture and why we see saucers, Sarah Scoles
- UFO, the inside story of the US government's search for alien life here--and out there, Garrett M. Graff
- Are aliens real?, Patrick Perish
- The interrupted journey, two lost hours aboard a UFO, the abduction of Betty and Barney Hill, John G. Fuller ; introduction by Benjamin Simon, M.D
- UFOs, generals, pilots, and government officials go on the record, Leslie Kean
- UFOs, by Jan Burns
- Ancient aliens, did historic contact happen?, Rachael L. Thomas
- Crash from outer space, unraveling the mystery of flying saucers, alien beings, and Roswell, Candace Fleming
- Can you survive an alien invasion?, an interactive doomsday adventure, by Blake Hoena ; illustrated by Paul Fisher Johnson