As almost thirteen-year-old Ben, a student at the CIA's academy for future intelligence agents, prepares to go to spy summer camp, he receives a death threat from the evil organization SPYDER.

When demonic cheerleaders invade his high school, Percy Jackson hurries to Camp Half Blood, from whence he and his demigod friends set out on a quest through the Labyrinth, while the war between the Olympians and the evil Titan lord Kronos draws near.

Everyone at camp is obsessed with winning a sixth King Coin so they can do the Winner's Walk, but Wendy starts to become suspicious when all of the winners disappear.

The reader's decisions control the course of a story in which the coolest counselor at Camp Pine Tree has disappeared.

When summer arrives, Humphrey, the pet hamster of Longfellow School's Room 26, is surprised and pleased to learn that he will be going to Camp Happy Hollow.

"It's spring break, and Stink is faced with a difficult choice: hang out at home with his sister Judy, or become a Shakespeare Sprite with his friend Sophie of the Elves. Hanged be! When Sophie tells Stink that there will be swordplay and cursing at Shakespeare camp, his choice is made. But wait! How now? The eager young thespian hadn't counted on Riley Rottenberger being a Sprite, too. And he positively had not counted on being the only boy. Fie...

When his brother, Colin, takes the pendant in which the ghostly Nicky and Tara's parents may be trapped, Max must follow him to Camp Snake Lake and try to retrieve the pendant before evil ghosts find it.

A bouncy, exuberant tale about a naughty bear who is full of fun-- and that's not all.

"When thirteen-year-old Kevin Brewer and his camp buddies summon an alien to earth, they know they'll win a blue ribbon in the science competition--but they don't expect to find themselves in the middle of an interstellar war"--

"Charlie Joe Jackson is back and he's at academic summer camp trying to convert all the other kids to non-academics."--