Very high
94
High
78
78
Secret Space Program by Andrew Johnson [100 WRZ$]
La Noche de los Centinelas by Patricio Abusleme [SPA][100 WRZ$]
Hitler's Secret UFO Weapons by Jack Follett [100 WRZ$]
Lost Continents & the Hollow Earth by David H. Childress [100 WRZ$]
Egyptian Aircraft to the Moon by Clyde Winters [2000 WRZ$]
La Noche de los Centinelas by Patricio Abusleme [SPA][100 WRZ$]
Hitler's Secret UFO Weapons by Jack Follett [100 WRZ$]
Lost Continents & the Hollow Earth by David H. Childress [100 WRZ$]
Egyptian Aircraft to the Moon by Clyde Winters [2000 WRZ$]