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Monster hunters : on the trail with ghost hunters, bigfooters, ufologists, and other paranormal investigators
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Crop circles
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What do we know about crop circles?
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The unexplained : mysteries, cryptids, ghosts, and UFOs
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Crop circles
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Unexplained! : 347 strange sightings, incredible occurrences, and puzzling physical phenomena
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A history of the unexplained
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Extreme alien stories
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Fire in the sky : the Walton experience
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That's creepy : spine-tingling facts that will test your creep-out factor
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Real-life mysteries : can you explain the unexplained?
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What do we know about alien abduction?
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The book of mysteries, magic and the unexplained
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UFOs
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Great mysteries of the past : experts unravel fact and fallacy behind the headlines of history
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Strange stories, amazing facts : stories that are bizarre, unusual, odd, astonishing, and often incredible
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Psychic :true paranormal experiences
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The complete idiot's guide to the paranormal
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The everyday psychic : a practical guide to activating your psychic gifts
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Catching cryptids : the scientific search for mysterious creatures
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Mysteries of the paranormal
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Alien abductions
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Alien visits : extraterrestrials, UFOs, and otherworldly encounters
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Extra sensory : the science and pseudoscience of telepathy and other powers of the mind
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Weird history 101
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Great mysteries of the past : experts unravel fact and fallacy behind the headlines of history
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Unexplained! : 347 strange sightings, incredible occurrences, and puzzling physical phenomena
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How does aspirin find a headache? : an imponderables book
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Fugitives & refugees : a walk in Portland, Oregon
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Wonders of the world
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The Atlas of mysterious places : the world's unexplained sacred sites, symbolic landscapes, ancient cities, and lost lands
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Strange stories, amazing facts : stories that are bizarre, unusual, odd, astonishing, and often incredible
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How in the world?
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National Geographic kids almanac, 2011
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100 things you should know about world wonders
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Weird & wonderful
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Simply unbelievable
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Ripley's believe it or not! : special edition 2010
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Weird animal sports
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The seventy wonders of the ancient world : the great monuments and how they were built
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The Guinness book of records 1492 : the world five hundred years ago
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Weird Pennsylvania : your travel guide to Pennsylvania's local legends and best kept secrets
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Flight behavior : a novel
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Weird science : mad marvels from the way-out world
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Flight behavior [LP] : a novel
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Ultimate weird but true
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Olivia Bean, trivia queen : a novel
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National Geographic Kids almanac 2013
