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Rosario Ana
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Explorer Academy: The Dragon...
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The Bible Code
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Explorer Academy: The Double...
Trudi Trueit
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The Eye of God
James Rollins
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Big Nate Boredom Buster
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King & Kayla and the Case of...
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Explorer Academy: The Tiger's...
Trudi Trueit
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Explorer Academy: The Star...
Trudi Trueit
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Top Secret: A Handbook of...
Paul B Janeczko (Editor)
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The Devil Colony: A SIGMA...
James Rollins
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Explorer Academy: The...
Trudi Trueit
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Create Your Own Secret...
David J Peterson,
Odd Dot
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The Enigma Game
Elizabeth Wein
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Salem's Cipher
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Codes, Ciphers and Secret...
Martin Gardner
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Cosmic Codes
Dr. Chuck Missler
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Secret Coders: Monsters &...
Gene Luen Yang
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The Dante Chamber
Matthew Pearl
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Puzzles for Spies: The brand...
GCHQ,
The Princess of Wales, HRH (Foreword by)
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King & Kayla and the Case of...
Dori Hillestad Butler
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The Atlantis Code
Charles Brokaw
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The Devil Colony: A SIGMA...
James Rollins
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The Double Helix Book 3
National Geographic Kids,
Trudi Trueit
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Secret Messages
F Travis
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