David Ritchie

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Ufo: The Definitive Guide to Unidentified Flying Objects and Related Phenomen
Ritchie, David

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US$ 4.98

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Shipwrecks: An Encyclopedia of the World's Worst Disasters at Sea
Ritchie, David

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US$ 4.42

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Encyclopedia of Earthquakes and Volcanoes (Science Encyclopedia)
Gates, Alexander E.; Ritchie, David

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US$ 3.41

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The Binary Brain: Artificial Intelligence in the Age of Electronics
Ritchie, David

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US$ 3.50

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The Ring of Fire
Ritchie, David

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US$ 7.19

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Superquake Why Earthquakes Occ
Ritchie, David

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US$ 7.44

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Spacewar
Ritchie, David

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US$ 9.44

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Frontier Life (Life in America 100 Years Ago)
Ritchie, David

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US$ 6.60

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