Cryptanalysis: A Study of Ciphers and Their Solution
(9780486200972 / YES616031)
From (2 Deals)12.14 GBP
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Dover puzzle book
Fun with Hand Shadows
(9780486291765) - Dimensions: 209 x 132 x 5 mm - ISBN: 9780486291765 - Number of pages: 64 - Dover Publications Inc. - Weight: 59 g
From (2 Deals)2.69 GBP
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What Is the Name of This Book?: The Riddle of Dracula and Other Logical Puzzles
(9780486481982) | Complex problems that delve
From (2 Deals)13.04 GBP
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