Handbook of Unusual Natural Phenomena
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The Unexplained : A Sourcebook of Strange Phenomena
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Mysterious Universe: A Handbook of Astronomical Anomalies
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Ancient Man: A Handbook of Puzzling Artifacts
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Unknown Earth: A Handbook of Geological Enigmas
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Mysteries of the universe
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Earthquakes, Tides, Unidentified Sounds and Related Phenomena: A Catalog of Geophysical Anomalies
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Tornadoes, Dark Days, Anomalous Precipitation, and Related Weather Phenomena
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Biological Anomalies--Birds: A Catalog of Biological Anomalies
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Mysteries Beneath the Sea
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Lightning, Auroras, Nocturnal Lights, and Related Luminous Phenomena: A Catalog of Geophysical Anomalies (Catalog of Geophysical Anomalies Series)
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Biological Anomalies: Humans (A/Catalog of Biological Anomalies Ser: No. I)
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The Sun and Solar System Debris: A Catalog of Astronomical Anomalies
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A Treatise On The General Design And Construction Of Burglar-proof Safes: Embracing A Detailed Description And Explanation Of The Difference Between The Square Safes And The Corliss Safe
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Ancient Infrastructure: Remarkable Roads, Mines, Walls, Mounds, Stone Circles
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Carolina Bays, Mima Mounds, Submarine Canyons and Other Topographical Phenomena: A Catalog of Geological Anomalies
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Strange Artifacts: A Sourcebook on Ancient Man (Strange Artifacts)
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Strange universe: A sourcebook of curious astronomical observations
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Space Probes and Planetary Exploration
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Scientific Satellites
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The Viking mission to Mars
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The Interplanetary Pioneers: Volume II: System Design and Development
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The Interplanetary Pioneers: Volume III: Operations
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NASA Sounding Rockets, 1958-1968: A Historical Summary
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Archaeological Anomalies: Small Artifacts : Bone, Stone, Metal Artifacts, Footprints, High Technology
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Inner Earth: A Search for Anomalies : A Catalog of Geological Anomalies
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Remarkable luminous phenomena in nature: A catalog of geophysical anomalies
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Biological Anomalies: Humans III
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Unfathomed Mind: A Handbook of Unusual Mental Phenomena
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Biological Anomalies: Humans II (Catalog of Biological Anomalies Series)
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