Secrets of Higher Contact
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Secrets of our Spaceship Moon
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Secrets of the Ages
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Secrets of the Holy Lance
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Secrets of the Sky
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Secrets of the UFO
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Secrets Of The Unified Field: The Philadelphia Experiment, The Nazi Bell, And The Discarded Theory
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Les Sectes Ufologiques
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Serpents of Fire
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Sexual Encounters with Extraterrestrials
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Shaverology
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Shavertron - The Macplus Years
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Shavertron Issues 1-11
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Shavertron vol. 2
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Shavertron vol. 3
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Shining the Light II
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Shockingly Close to the Truth!
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Shoot Them Down!
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SI: estan aproximacion cientifica a los OVNIs
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Sight Unseen
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Sightings: UFOs
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Signatures of Life
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Signs And Wonders: The Ufo Deception
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Signs of the Saucers
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Silent Invasion
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Silver screen saucers
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Siragusa l'annonciateur
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Situation Red: the UFO Siege
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Skinwalkers at the Pentagon
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Sky Crash
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Sky Crash throughout time
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Sky Creatures: Living UFOs
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Skyward Gaze
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Skyways & Landmarks revisited
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Sleep Paralysis
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Socorro Saucer
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Solomon Islands Mysteries
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Solving the 1897 Airship Mystery
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Solving The Communion Enigma
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Some Trust in Chariots
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Something In The Air
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Somewhere in the skies
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Sont-ils parmi nous ? La nuit ...
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SOS Fliegende Untertassen
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Soucoupes Volantes et Disques Planants
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Soucoupes volantes et folklore
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Space - A Journalist's Notebook
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Space Monsters Of The Old West
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Space oddities - Our strange attempts tp explain the universe
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Space Review
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Space Visitors - A visual guide to ETs
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Space, Gravity and the Flying Saucer
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Spacecrafts from Beyond the 3rd Dimension
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Spaceships of the Pleiades
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Spaceships of the Visitors
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Space-Time Transients and Unusual Events
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Speak your Truth
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Spooklights - The amazing Cloverdale spooklight mystery
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Stalking the Herd
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Star Children
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Star Guests
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Stars, Galaxies, Cosmos
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Stealth B-2 Bomber.The American made UFO
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Strange & Unexplained Happenings
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Strange & unexplained Happenings
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Strange Company
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Strange Creatures from Time and Space
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Strange Encounters
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Strange Encounters - UFOs,Aliens and Mothman
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Strange Northwest
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Strange Skies: Pilot Encounters With Ufos
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Strange stories of UFOs
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Strangers from the Skies
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Strangers In The Night: A Brief History Of Life On Other Worlds (Cornelia & Michael Bessie Series)
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Subterranean Worlds Inside Earth
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Subterranean Worlds of planet Earth
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The Sun And The Moon: The Remarkable True Account Of Hoaxers, Showmen, Dueling Journalists, And Lunar Man-Bats In Nineteenth-Century New York
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Sur la trace des OVNI
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Sur Mars
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Svensk UFO-Bibliografi 1946-75
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Swamp Gas Times
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Swamp Gas Times: My Two Decades on the UFO Beat
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Swirled Harvest: Views From Crop Circle Frontline
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Symposium on Unidentified Flying Objects
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Synchrofile
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Tajne Operacje Prl i UFO
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Taxonomia de los visitantes extraterrestres 1
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Taxonomia de los visitantes extraterrestres 2
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Technology of the Gods
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Temoignages OVNI
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Teoria de Procesos de los OVNI
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Texas UFO Tales
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The 12th Planet
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The 1001 Discoveries of Antigravity
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The Abduction Enigma
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The Abduction of Betty and Barney Hill: Alien Encounters, Civil Rights, and the New Age in America
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