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Did the Masons encode messages in the street plan of Washington,D.C.? Does the Hebrew Bible conceal hidden mysteries? Ingeniousmethods for encoding secrets have taken many amazing turns throughthe ages, from the military signals the Romans flashed from hilltopto hilltop to the computer codes that guard cash at the ATM. PierreBerloquin, one of Frances leading puzzle book authors, takesreaders on a tour of them all in a book full of astonishinghistorical insights. With more than 150 brain-teasing problems forreaders to solve, this journey goes deep into the how-to of codes,ciphers and other secret communication systems.
Stockcode96002218
Barcode9781402773006
Weight0.667kg
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Hidden Codes & Grand Designs - Secret Languages From Ancient Times To Modern Day18514£10.99
Hidden Codes & Grand Designs - Secret Languages From Ancient Times To Modern Day