Dr. Crypton
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Books by Dr. Crypton
Treasure: In Search of the Golden Horse
Out of Stock
Timid Virgins Make Dull Company
$9.79 - $11.19
Dr. Crypton's Mind Benders: From Science Digest
$28.79
Visitors from the Red Planet and 76 Other Solve-Them-Yourself Mysteries
$5.09 - $6.09
Dr. Crypton and His Problems
Out of Stock
The Museum of Science and Industry, Chicago, presents the Mind game
Out of Stock
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