| #2 |  UFO'S Nazi Secret Weapons?
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| #3 |  I Want to Believe: Posadism, UFOs and Apocalypse Communism
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| #4 |  Anche tu astronauta. Guida all'esplorazione indipendente dello spazio secondo l'Associazione Astronauti Autonomi
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| #5 |  UFO Religions UFO Religions |
| #6 |  The Encyclopedic Sourcebook of Ufo Religions |
| #7 |  The Gods Have Landed The Gods Have Landed |
| #8 |  The Urantia Book |
| #9 |  Misterios de los mundos olvidados
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| #10 |  Barlowe's Guide to Extraterrestrials Barlowe's Guide to Extraterrestrials: Great Aliens from Science Fiction Literature
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| #11 |  The Truth about Mars
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| #12 |  Martian Underground Cities Discovered! |
| #13 |  Vesta: The Earthborn Venusian
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| #14 |  The Mind and Time and Space: What Man May Find When He Lands on the Planets
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| #15 |  The Space Reports
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| #16 |  UFO from Venus I Came
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| #17 |  La verità sui dischi volanti e sui loro piloti
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| #18 |  Il libro che dice la verità
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| #19 |  Gli extraterrestri mi hanno portato sul loro pianeta
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| #20 | La voce degli extraplanetari La voce degli extraplanetari
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| #21 |  Messaggi all'umanità
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| #22 |  Appello dal cosmo: la Terra è in pericolo
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| #23 |  Armageddon. La battaglia finale
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| #24 |  The Book of Yul: The Secret Life of a Space Incarnate
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| #25 |  How and When "Heaven's Gate" (The Door to the Physical Kingdom Level Above Human) May Be Entered
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| #26 |  The Rev. John Smith Died- And Went to Jupiter Via Hell
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| #27 |  Journeys Into the Moon, Several Planets and the Sun: History of a Female Somnambulist, of Weilheim on the Teck, in the Kingdom of Wuertemberg, in the Years 1832 and 1833
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