- City of the dead, by James Ponti
- The scarlet stockings spy, written by Trinka Hakes Noble ; illustrated by Robert Papp
- The galactic B.U.R.P., by Wendy Mass and Michael Brawer ; illustrations by Keith Frawley, based on the art of Elise Gravel
- Spy School British invasion, Stuart Gibbs
- Missile Mouse, rescue on Tankium3, by Jake Parker
- Port of spies, by Brian James ; illustrated by Jennifer Zivoin
- InvestiGators, written and illustrated by John Patrick Green ; with color by Aaron Polk
- Charlie Thorne and the lost city, Stuart Gibbs
- Trapped!, novel, James Ponti
- The villain virus, Michael Buckley ; illustrations by Ethen Beavers
- NERDS, the cheerleaders of doom, Michael Buckley ; illustrations by Ethen Beavers, Book three
- Night of soldiers and spies, Kate Messner ; illustrated by Kelley McMorris
- 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
- Spy ski school, Stuart Gibbs
- I must betray you, Ruta Sepetys
- Cold case, by Julia Platt Leonard
- Didi Dodo, future spy, in recipe for disaster!, by Tom Angleberger ; illustrated by Jared Chapman
- Stormbreaker, the graphic novel, Anthony Horowitz ; adapted by Antony Johnston ; illustrated by Kanako Damerum & Yuzuru Takasaki
- CHERUB: The recruit, vol. 1, Robert Muchamore
- Agent A to Agent Z, by Andy Rash
- Charlie Thorne and the last equation, Stuart Gibbs
- I'll tell you no lies, Amanda McCrina
- Foul Lady Fortune, Chloe Gong
- Nightshade, Anthony Horowitz
- Agent Moose, operation owl, Mo O'Hara ; with art by Jess Bradley
- The invisible spy, Lisa McMann
- Double-O Dodo, by Tom Angleberger ; with story consultant Oscar Angleberger ; illustrated by Jared Chapman
- Mission Manhattan, by James Ponti
- Evil spy school, Stuart Gibbs
- Island of spies, by Sheila Turnage
- Slough house, Mick Herron
- Relentless, Mark Greaney
- Spy school at sea, a spy school novel, Stuart Gibbs
- City spies, by James Ponti
- Moonshadow, rise of the ninja, by Simon Higgins
- Man vs. beast, Robert Muchamore
- Attack of the bullies, Michael Buckley ; illustrations by Ethen Beavers
- Golden Gate, by James Ponti
- Mac saves the world, by Mac Barnett ; illustrated by Mike Lowery
- Etiquette & espionage, by Gail Carriger
- M is for Mama's boy, Michael Buckley ; illustrations by Ethen Beavers
- NERDS:, National Espionage, Rescue, and Defense Society, Michael Buckley ; illustrations by Ethen Beavers
- Eagle Strike, Anthony Horowitz
- The spy catchers of Maple Hill, Megan Frazer Blakemore
- Agent llama, by Angela Woolfe ; illustrated by Duncan Beedie
- Secret Agent Man goes shopping for shoes, Tim Wynne-Jones ; illustrated by Brian Won
- Never say die, Anthony Horowitz
- Spy school revolution, Stuart Gibbs
- Spy school project X, Stuart Gibbs