UFOs Identified
Philip J. Klass
1968

UFOs Over The Americas
Jim & Coral Lorenzen
1968

UFOs: Unidentified Flying Objects
Howard Liss
1968

UFOS? YES!
David R. Saunders & R. Roger Harkins
1968

Voyage to the Stars
Frank Bramwell
1968

War of the Worlds
H.G. Wells
1968

Aliens in the Skies
John G. Fuller
1969

Brad's Flying Saucer
Marian T. Place
1969

Martin Caidin
Encounter Three
1969

Flying Saucers
Dr. C.G. Jung
1969

Flying Saucers, Ancient Writings and the Bible
R. Cedric Leonard
1969

The Legion of Space
Jack Williamson
1969

Menace of the Saucers
Eando Binder
1969

Scientific Study of Unidentified Flying Objects
Daniel S. Gillmor, ed.
1969

The Shocking Truth
Albert Coe
1969

The Brass Dragon
Marion Zimmer Bradley
1969

The UFO Report
Irving A. Greenfield
1969

UFOs and Related Subjects: An Annotated Bibliography
Lynn E. Catoe
1969

Why Are They Here?
Fred Steckling
1969

A Flying Saucer Full of Spaghetti
Fernando Krahn
1970

The Aliens
Hal Crawford, Hayden and Kietha Hewes
1970

All Systems Go!
Ralph Robinett, Paul Bell & Pauline Rojas
1970

The Bible & Flying Saucers
Barry H. Downing
1970

Danger on the Moon
Michael X
1970s

Flying Saucer Viewpoint
Rex Dutta
1970

Flying Saucers from Outer Space
Donald E. Keyhoe
1970

Flying Saucers Have Arrived!
Jay David, ed.
1970

The Gismo
Keo Felker Lazarus
1970

Gods Demons and UFO's
Eric Norman
1970

Guns of Terra 10
Don Pendleton
1970

The Panic Broadcast
Howard Koch
1970

The People of the Planet Clarion
Truman Bethurum [T. G. Beckley, ed]
1970

Platillos Volantes - Aqui Y Ahora
Frank Edwards
1970

The Stars My Destination
Alfred Bester
1970

UFOs: Operation Trojan Horse
John A. Keel
1970

Unidentified Flying objects
Robert Chapman
1970