Roger Leir

Watchers 5: Let Me In

Enquête sur les OVNIs

Moment of Contact

The Day Before Disclosure

Watchers 8: Cloak of Secrecy

Watchers 6: The Secret Cosmic War

Watchers 7: Physical Evidence

Watchers 4: On the Edge

Ancient Astronauts: The Gods from Planet X

Watchers 3: Fingerprints of the Supernatural

Watchers 2: Signs in the Heavens and the Earth

Watchers 1: UFOs are Real, Burgeoning, and Not Going Away

The Scientific Study of Alien Implants - Part 2

The Scientific Study of Alien Implants - Part 1