Books like Spy camp by Stuart Gibbs

Twelve‐year‑old genius Artemis Fowl, a millionaire criminal mastermind, kidnaps the fairy Captain Holly Short of the LEPrecon Unit, sparking a magical adventure filled with twists, trolls and high‑tech intrigue.

Four orphaned girls in Carthya are chosen for a deadly contest to impersonate the king’s lost son, a scheme that could avert civil war.

A boy transfers to a CIA-run school of espionage, where he finds out the CIA and the school have more secrets than he bargained for.

Thirteen‑year‑old Ben is expelled from spy school after a shooting mishap, only to be recruited by the sinister organization SPYDER.

In a world ravaged by successive alien attacks, Cassie navigates a solitary highway to escape the terrorizing Them. When she meets the enigmatic Evan Walker, hope and danger collide as she must decide whether to trust him and fight for survival.

Lucky, a lone dog in the bustling city, must join a group of separated Leashed Dogs to survive a devastating earthquake.

A prequel to The Maze Runner series, introducing Mark in a post-apocalyptic world overrun by a deadly virus.

A 1943 British fighter pilot crash-lands in Nazi‑occupied France and recounts her daring escape, espionage, and friendship to a young French woman while concealing her true mission.

Benny, Nix, and friends journey through a dangerous wilderness, facing fierce animals and a new kind of zombie, in a thrilling adventure story suitable for children and young adults.

Cia and the United Commonwealth work to eliminate the rebel alliance fighting to destroy "The Testing."

Lucky and his Leashed Dogs find a new forest with abundant food and water, only to discover it is claimed by a fierce pack of Wild Dogs led by a menacing Alpha. Lucky must sneak behind enemy lines and decide who his true allies will be.

After a brutal war, mountain cats struggle to survive amid a blood‑stained landscape, a fragile truce, a rogue threat, and a spreading disease. Only the legendary Blazing Star can unite them.

Thirteen-year-old Ben Ripley has been caught in the snares of SPYDER more than once and knows well enough to be suspicious of anything that seems too good to be true—despite needing special tutoring in advanced survival techniques. So when Murray Hill finally breaks his silence with an offer to hand over the SPYDER elite, Ben knows that there must be something going on. But his hesitation doesn’t stop the assignment. The Mission: Follow Murray Hill to an undisclosed location with no one else but Erica Hale to identify SPYDER leadership. Once found, contact the CIA to sweep in and finish the job. DO NOT CONTACT SPYDER DIRECTLY. However, as Ben suspected, nothing goes as planned, and what should be an easy mission quickly turns deadly. Now, Ben and Erica will have to face rogue agents, trained killers, and even very hungry crocodiles in a race against the clock to find out what SPYDER is up to this time—and thwart their evil plans.

Twin siblings Fiona and Jonah, both cured of a deadly disease, travel with friends Bowen and former neighbor Jacqui to locate their missing mother and distribute the cure, while raiders and a mysterious ally threaten their mission.

Seventh grader Georges moves into a Brooklyn apartment and joins a 12‑year‑old self‑made spy, Safer, on a mission to uncover the secrets of the mysterious upstairs tenant, **Mr. X**.

Teenager Heath Lambert faces a perilous summer at Camp Harmony when wildlife turn violent, and he must decide whether to trust the cunning camper Will or the camp staff for survival.

When two campers are abandoned on a deserted island, a boy and a girl must forge a fragile bond that deepens into friendship as they plot to escape and vanish without a trace.

Seventeen‑year‑old Zenji Watanabe is sent from Hawaii to the Philippines to spy on the Japanese. After capture and torture, he must endure months alone in the jungle behind enemy lines, fighting to survive.

The Doublecross invites middle‑grade readers into a lively action‑adventure where school friends become spies, blending humor, friendship, and thrilling mysteries in a lively, school‑based setting.