The Last Twelve Miles
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Talia's Codebook for Mathletes
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The Twyford Code
Janice Hallett
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En Busca de la Entrada...
Rosario Ana
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En Busca de la Entrada...
Rosario Ana
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Explorer Academy: The Tiger's...
Trudi Trueit
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Mr. Summerling's Secret Code ...
Dori Hillestad Butler
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Explorer Academy: The Tiger's...
Trudi Trueit
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William Wenton and the Lost...
Bobbie Peers,
Tara F Chace (Translator)
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Dunwich
Peter Levenda
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The Dante Chamber
Matthew Pearl
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William Wenton and the Secret...
Bobbie Peers,
Tara F Chace (Translator)
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The Unbreakable Code
Jennifer Chambliss Bertman
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The Lost Cipher
Michael Oechsle
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Eddie Red Undercover: Doom at...
Marcia Wells
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Ruby Redfort Feel the Fear
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The Hunt for the Missing Spy
Penny Warner
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A Desperate Fortune
Susanna Kearsley
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Ruby Redfort Catch Your Death
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The Secret Cipher
Whitaker Ringwald
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Chain of Events
Fredrik T Olsson
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Chain of Events
Fredrik T. Olsson
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Nowhere to Run (the 39 Clues:...
Jude Watson
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Code Busters Club, Case #3:...
Penny Warner
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