- The Atlantis code, Charles Brokaw
- York, Laura Ruby
- The doomsday key, a sigma force novel, James Rollins
- The Mill River redemption, a novel, Darcie Chan
- Salem's cipher, Jess Lourey
- The maze of bones, by Rick Riordan
- One false note, Gordon Korman
- The pharaoh key, a Gideon crew novel, Douglas Preston & Lincoln Child
- The magician's death, a Hugh Corbett medieval mystery, P.C. Doherty
- The eye of God, James Rollins
- The devil colony, a Sigma Force novel, James Rollins
- Addison Cooke and the treasure of the Incas, Jonathan W. Stokes
- The Jefferson key, a novel, Steve Berry
- One false note, Gordon Korman
- Mission Titanic, Jude Watson
- The Dante chamber, Matthew Pearl