Found 10 books 
[en] The Secret of the Saucers Amherst Press
![[Gutenberg 5883] • The Flying Saucers are Real](/cover/wpFE1_RAed0D8wRp/small/[Gutenberg%205883]%20%e2%80%a2%20The%20Flying%20Saucers%20are%20Real.jpg)
[en] [Gutenberg 5883] • The Flying Saucers are Real Fawcett Gold Medal
[en] Saucers of the Illuminati Adventures Unlimited Press
[en] Girl Germs Ged Maybury
[en] Uncharted Worlds Invoke Books
[en] Extraterrestrials MIT Press
[en] Hard Jack III John David Hanna
![[Time Travel Adventures of the 1800 Club 02] • Time Travel Adventures of the 1800 Club, Book II](/cover/zC2qOqGp_uSF-hOT/small/[Time%20Travel%20Adventures%20of%20the%201800%20Club%2002]%20%e2%80%a2%20Time%20Travel%20Adventures%20of%20the%201800%20Club,%20Book%20II.jpg)
![[Gutenberg 17346] • The Report on Unidentified Flying Objects](/cover/F2LdEba-NP5dWIv7/small/[Gutenberg%2017346]%20%e2%80%a2%20The%20Report%20on%20Unidentified%20Flying%20Objects.jpg)