After learning that the father he never knew is Poseidon, God of the Sea, Percy Jackson is transferred from boarding school to Camp Half-Blood, a summer camp for demigods, and becomes involved in a quest to prevent a war between the gods.

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.

Uniting with Jason, Piper, and Leo after their dangerous quest, Percy, Hazel, and Frank wonder who will be chosen to fulfill the Prophecy of Seven, completing their group's number, and sail with them to an ancient land to find the mysterious Doors of Death.

At the conclusion of The Mark of Athena, Annabeth and Percy tumble into a pit leading straight to the Underworld. The other five demigods have to put aside their grief and follow Percy's instructions to find the mortal side of the Doors of Death. If they can fight their way through the Gaea's forces, and Percy and Annabeth can survive the House of Hades, then the Seven will be able to seal the Doors both sides and prevent the giants from raising Gaea....

"Omar and his younger brother Hassan live in a refugee camp, and when an opportunity for Omar to get an education comes along, he must decide between going to school every day or caring for his nonverbal brother in this intimate and touching portrayal of family and daily life in a refugee camp"--

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.

Depicts the hardships and suffering endured by the Joads as they journey from Oklahoma to California during the Depression

Relates, in multiple voices, the adventures of a group of youngsters at an electronics-free wellness camp where wealthy, spoiled Jett, leads other campers in trying to stop a criminal.

Because she loves horses but is scared of them, Melody wants to conquer her fears, so she hopes a summer camp will be the place to welcome someone with cerebral palsy who wants to learn to ride.

Betrayed by her best friend and dragged off to a remote family camp, seventeen-year-old Avery's dreams of a perfect summer seem over until a whirlwind romance leads to an unexpected journey of self-discovery.