Eleven-year-old Riley Liston tries to fit in at Camp Olympia, a summer sports camp where he is one of the youngest boys.

Ralph runs away looking for freedom but winds up a prisoner at a summer camp.

The members of the Saddle Club are excited about going to Moose Hill, a sleep-over riding camp in Virginia, but the experience turns out to not be quite what they had expected.

"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...

In 1998 when the Kosovo hostilities escalate, thirteen-year-old Meli's life as an ethnic Albanian, changes forever after her brother escapes his Serbian captors and the entire family flees from one refugee camp to another until they are able to immigrate to America.

The Core Four--Avery, Bree, Esha, and Jaelyn, campers at Storm Cliff Stables--discover that someone has been cutting down trees on Aunt Jane's property just as an old friend and neighbor of hers is pushing to buy a piece of her land.

Emerson floats. Unfortunately, he has almost no control over his floating, which makes it a Reoccurring Incidents of the Strange Kind (RISK) factor. He and other kids like him are sent to Camp Outlier where the government can keep a close eye on them. It's a motley crew in Emerson's cabin: Gary is sticky, Hank can't control his invisibility, Zeke has sporadic X-ray vision, and Anthony is a human torch. For once in his life, Emerson feels like he finally...

In The Son of Neptune, Percy, Hazel, and Frank met in Camp Jupiter, the Roman equivalent of Camp Halfblood, and traveled to the land beyond the gods to complete a dangerous quest. The third book in the Heroes of Olympus series will unite them with Jason, Piper, and Leo. But they number only six--who will complete the Prophecy of Seven? The Greek and Roman demigods will have to cooperate in order to defeat the giants released by the Earth Mother, Gaea....

Twelve-year-old CeCe Monroe is enrolled at Storm Cliff Stables as Cassidy because she does not want the other girls to know that she is an actress, so when Aunt Jane asks her to assist with the movie that is to be filmed at the stables she is mostly afraid of blowing her cover--but when she realizes that the movie man calling himself Paul Martino is not the man she knows, she finds herself cast in the role of detective.

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.