- The Mothman PropheciesJohn A. Keel
- The complete guide to mysterious beingsJohn A. Keel
- The eighth towerJohn A. Keel
- Our haunted planetJohn A. Keel
- Strange Creatures From Time & SpaceJohn A. Keel
- Disneyland of the GodsJohn A. Keel
- Operation Trojan HorseJohn A. Keel
- ChinulJohn A. Keel
- Strange MutantsJohn A. Keel
- Pursuing the AddendaJohn A. Keel, Ivan T. Sanderson et al.
- Flying Saucer to the Center of Your MindJohn A. Keel, Andrew Colvin et al.
- I Never Would Have Slept With You If I Had Known You Were a Giant Birdman From Outer SpaceJohn A. Keel, Andrew Colvin
- Why UfosJohn A. Keel
