Top Secret: A Handbook of...
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The Bible Code
Michael Drosnin
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Cryptos Conundrum
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En Busca de la Entrada...
Rosario Ana
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How I Became a Spy: A Mystery...
Deborah Hopkinson
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X, Y and Z: The Real Story of...
Dermot Turing,
Arkady Rzegocki (Foreword by)
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Big Nate Boredom Buster
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The Twyford Code
Janice Hallett
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The Last Twelve Miles
Erika Robuck
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Codebreaking: A Practical...
Elonka Dunin,
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The Narwhal Problem
Debbie Dadey
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Genome
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Codes, Ciphers and Secret...
Martin Gardner
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Secret Coders
Gene Luen Yang
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Explorer Academy: The Dragon...
Trudi Trueit
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Blind Instinct
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Unbreakable: The Spies Who...
Rebecca E F Barone
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Explorer Academy: The Double...
Trudi Trueit
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Cryptanalysis: A Study of...
Helen F Gaines
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King & Kayla and the Case of...
Dori Hillestad Butler
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Storm Warning (the 39 Clues,...
Mrs. Linda Sue Park
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The Devil Colony: A SIGMA...
James Rollins
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Look into my eyes
Lauren Child
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Dkfindout! Coding
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The Double Helix Book 3
National Geographic Kids,
Trudi Trueit
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