• Jacques Vallée — Passport to Magonia: From Folklore to Flying Saucers
• Jeffrey J. Kripal — How to Think Impossibly: About Souls, UFOs, Time, Belief, and Everything Else
• John E. Mack — Passport to the Cosmos: Human Transformation and Alien Encounters
• Jim B. Tucker — Before: Children’s Memories of Previous Lives
• Bruce Greyson — After: A Doctor Explores What Near-Death Experiences Reveal about Life and Beyond
• Carlos M. N. Eire — They Flew: A History of the Impossible