- Flashpoint, Gordon Korman
- The secret supper, Javier Sierra ; translated by Alberto Manguel
- Spymasters, Clifford Riley
- Countdown, Natalie Standiford
- Chain of events, a novel, Fredrik T. Olsson ; translated by Dominic Hinde
- The witch of Babylon, D.J. McIntosh
- The arms maker of Berlin, Dan Fesperman
- The dead of night, Peter Lerangis
- Storm warning, Linda Sue Park
- Enigma, a magical mystery, Graeme Base
- The cool code, Deirdre Langeland ; illustrated by Sarah Mai
- The clue in the crossword cipher, by Carolyn Keene
- A king's ransom, Jude Watson
- The Medusa plot, Gordon Korman
- One false note, Gordon Korman
- Code talker, a novel about the Navajo Marines of World War Two, Joseph Bruchac
- Trust no one, Linda Sue Park
- Doom at Grant's tomb, Marcia Wells ; illustrated by Marcos Calo
- The Jefferson key, a novel, Steve Berry
- The Mill River redemption, Darcie Chan
- Beyond the grave, Jude Watson
- Into the gauntlet, Margaret Peterson Haddix
- Ruby Redfort look into my eyes, Lauren Child
- The shadow cipher, Laura Ruby
- Mission atomic, Sarwat Chadda
- Trust no one, Linda Sue Park
- Mission Hurricane, Jenny Goebel
- Mission Titanic, Jude Watson
- Shatterproof, Roland Smith
- The Alexander cipher, Will Adams
- The pharaoh key, Douglas Preston & Lincoln Child
- The maze of bones, Rick Riordan
- Operation Trinity, Clifford Riley
- Code of honor, Alan Gratz
- The three secret cities, a thriller, Matthew Reilly
- A king's ransom, Jude Watson
- One false note, Gordon Korman
- A desperate fortune, Susanna Kearsley
- Breakaway, Jeff Hirsch
- The Romeo and Juliet code, by Phoebe Stone
- Flashpoint, Gordon Korman
- End of story, Peter Abrahams
- Into the gauntlet, Margaret Peterson Haddix
- Every wicked man, Steven James
- The Romeo and Juliet code, by Phoebe Stone
- The sword thief, Peter Lerangis
- A desperate fortune, Susanna Kearsley
- Inferno, a novel, Dan Brown