Twelve-year-old Ben Ripley leaves his public middle school to attend the CIA's highly secretive Espionage Academy, which everyone is told is an elite science school.

Shadow on the Mountain recounts the adventures of a 14-year-old Norwegian boy named Espen during World War II. After Nazi Germany invades and occupies Norway, Espen and his friends are swept up in the Norwegian resistance movement. Espen gets his start by delivering illegal newspapers, then graduates to the role of courier and finally becomes a spy, dodging the Gestapo along the way. During five years under the Nazi regime, he gains-and loses-friends,...

Frank and Joe, the Hardy boys, solve a mystery involving a magician, American secret agents, and international spy ring, and a Scottish castle.

Koko Dodo's cookie shop is facing some stiff competition from an evil robotic dodo, and a giant sea monster starts destroying the town, but Didi Dodo has some daring plans.

Owen and his friends decide that spying on the school principal at his own house will be a fun challenge.

Jessie Archer faced down death to prove her dedication to Athena, the elite organization of female spies she works for. Now she’s back on the team, in time to head to Pakistan to take down the man whose actions spurred Athena’s founders to create the secretive squad. But his connections spread farther than anyone knew, and when a girls’ school in Mumbai is bombed, a shadowy far-right organization reveals itself—and its evil plans to continue...

While trying out the spy glasses, spy hat, and other items in their new spy kit, seven-year-old Henry and his dog Mudge make a new friend and form a spy club.

A gripping new series combines Steampunk, spying, and a fantastic Victorian London.

The mysterious Mr. Socrates rescues Modo, a child in a traveling freak show. Modo is a hunchback with an amazing ability to transform his appearance, and Mr. Socrates raises him in isolation as an agent for the Permanent Association, a spy agency behind Brittania’s efforts to rule the empire. At 14, Modo is left on the streets of London to fend...