Incoming Resources
- Investigating UFOs and aliens, Therese Shea
- The mystery of Area 51, by Barbara Krasner
- Searching for UFOs, an Isabel Soto investigation, by Aaron Sautter ; illustrated by Cynthia Martin and Barbara Schulz ; [colorist, Krista Ward]
- UFOs, by Dave Wencel
- UFOs, Janet Stirling
- Can you survive an alien invasion?, an interactive doomsday adventure, by Blake Hoena ; illustrated by Paul Fisher Johnson
- Close encounters with aliens, Janna Silverstein
- What do we know about alien abduction?, by Kirsten Mayer ; illustrated by Tim Foley
- Captured!, the Betty and Barney Hill UFO experience : the true story of the world's first documented alien abduction, by Kathleen Marden and Stanton Friedman
- Searching for UFOs, by Jennifer Rivkin