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Crack the Code: Day One

The Crack the Code Sweepstakes has begun. You have until midnight EST / 9PM PST tonight to crack this code, and send us a direct message on Twitter @ucpress with the answer. We’ll select a winner at random from all eligible entries and announce it on Twitter (limit one entry per Twitter account). The winner [more...]

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The History behind the First Day’s Code: The Caesar Shift

Probably the first substitution cipher to be described is that used by Julius Caesar in parts of his private correspondence to friends and colleagues in Rome while he was campaigning in Gaul. The code [more...]

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Crack the Code Sweepstakes: Win $100 of UC Press Books

Next week, we’ll be holding our Crack the Code Sweepstakes. Each day, we will be posting a new coded video. At around 9:00am PST/12:00 EST, each day, we’ll announce when the video is up via our Twitter feed @UCPress and on our Facebook page.  You’ll have until 9:00pm/12:00 EST  to Tweet us your solution.  One [more...]

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Puzzle Contest Complete

Thanks to all who entered the puzzle contest last week, and congratulations to the lucky puzzlers who took home copies of The Book of Codes. For updates on future contests and other news, follow us on
Twitter at www.twitter.com/ucpress.

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Win this Book

Solve the puzzle, win the book. Do it now or you’ll miss you chance. Once a day all week long. Want to be the first to know when the new puzzle goes up? Follow us on Twitter at www.twitter.com/ucpress.

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