- City of the dead, by James Ponti
- The take, Christopher Reich
- InvestiGators, written and illustrated by John Patrick Green ; with color by Aaron Polk
- Charlie Thorne and the lost city, Stuart Gibbs
- SilverFin, the graphic novel, [scripted by] Charlie Higson & Kev Walker ; [adapted by Kev Walker ; lettering by Annie Parkhouse]
- Spy School British invasion, Stuart Gibbs
- Secret, secret agent guy, Kira Bigwood ; illustrated by Celia Krampien
- Spy camp, Stuart Gibbs
- Titans of war, Wilbur Smith with Mark Chadbourn
- Island of spies, by Sheila Turnage
- Stolen skies, by Tim Powers
- The scarlet stockings spy, written by Trinka Hakes Noble ; illustrated by Robert Papp
- Ark angel, Anthony Horowitz
- Behind enemy lines, Jennifer A. Nielsen
- Love, lies and spies, Cindy Anstey
- Midnight rider, Joan Hiatt Harlow
- I, Q, Roland Smith, (Book one
- A spy in the White House, by Ron Roy ; illustrated by Timothy Bush
- Spy ski school, Stuart Gibbs
- Double cross, by Beth McMullen
- Mac cracks the code, by Mac Barnett ; illustrated by Mike Lowery
- Ghost diamond!, Michael Broad
- STORM, the Infinity Code, by E.L. Young
- Brigands M.C., Robert Muchamore
- Girl in Blue, by Ann Rinaldi
- NERDS, the cheerleaders of doom, Michael Buckley ; illustrations by Ethen Beavers, Book three
- Didi Dodo, future spy, in recipe for disaster!, by Tom Angleberger ; illustrated by Jared Chapman
- Scorpia, Anthony Horowitz
- CHERUB: The recruit, vol. 1, Robert Muchamore
- NERDS, National Espionage, Rescue, and Defense Society, by Michael Buckley
- Max in the house of spies, Adam Gidwitz
- Charlie Thorne and the last equation, Stuart Gibbs
- City spies, by James Ponti
- The arm of the starfish, Madeleine L'Engle
- Man vs. beast, Robert Muchamore
- Relentless, Mark Greaney
- Spy school at sea, a spy school novel, Stuart Gibbs
- Spy school goes south, Stu Gibbs ; [endpaper art by Ryan Thompson]
- Agent Moose, Mo O'Hara ; with art by Jess Bradley ; color by John-Paul Bove ; lettering by Micah Meyer
- Furies of Calderon, Jim Butcher
- The Mouse Watch underwater, by J.J. Gilbert
- Evil spy school, Stuart Gibbs
- Spy School secret service, a spy school novel, Stuart Gibbs
- Mission Manhattan, by James Ponti
- The untold story, an invisible library novel, Genevieve Cogman
- Chains, Laurie Halse Anderson
- I'd tell you I love you, but then I'd have to kill you, by Ally Carter
- Crossing the line, Meghan Rogers
- I must betray you, Ruta Sepetys
- Mrs. Smith's Spy School for Girls, Beth McMullen