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.

"Percy Jackson is about to be kicked out of boarding school ... again. And that's the least of his troubles. Lately, mythological monsters and the gods of Mount Olympus seem to be walking straight out of the pages of Percy's Greek mythology textbook and into his life. And worse, he's angered a few of them. Zeus's master lightning bolt has been stolen, and Percy is the prime suspect. Now Percy and his friends have just ten days to find and return Zeus's...

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.

The Greek and Roman demigods will have to cooperate in order to defeat the giants released by the Earth Mother, Gaea. Then they will have to sail together to the ancient land--Greece itself--to find the Doors of Death.

When the Alden siblings go to Camp Survival to learn all about living in nature, they must find their own way when their guide leaves them alone on a trail.

Jason, Piper, and Leo, three students from a school for "bad kids," find themselves at Camp Half-Blood, where they learn that they are demigods and begin a quest to free Hera, who has been imprisoned by Mother Earth herself.

Demigod Percy Jackson, still with no memory, and his new friends from Camp Jupiter, Hazel and Frank, go on a quest to free Death, but their bigger task is to unite the Greek and Roman camps so that the Prophecy of Seven can be fulfilled.

Dragged to summer camp by her friend Charissa, twelve-year-old Gladys Gatsby, an undercover restaurant reviewer for a big New York City newspaper, finds a way to practice her cooking and restaurant reviewing skills.

Truly Lovejoy is excited for the perfect summer in Pumpkin Falls, New Hampshire: swim practice outside, working at the bookstore, one-on-one time with her mom, and best of all, time with the dreamy RJ Calhoun who may just like Truly back. But the idyllic falls apart when she's sent off to mermaid academy-sparkly tail and all. Luckily, a mystery is never too far behind the Pumpkin Falls Private Eyes, and synchronized swimming turns into a hunt for...

Twelve-year-old Jacky spends the last weeks of summer at theater camp with new friends, lots of jokes, and plenty of drama.