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.

Fourteen-year-old Kevin is very good at lying and doing so makes life easier, but when he finds himself in big trouble with his friends, family, and teachers, he must find a way to end his lies forever.

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....

Fourteen-year-old Kevin is a hard worker, so when his income is cut off he begins a series of businesses, from poker games to selling snacks, earning money to take a girl to a dance, but his partners soon tire of his methods.

Sixteen-year-old Celestia is a wealthy member of the South Fork Fishing and Hunting Club, where she meets and falls in love with Peter, a hired hand who lives in the valley below, and by the time of the torrential rains that lead to the disastrous Johnstown flood of 1889, she has been disowned by her family and is staying with him in Johnstown. Includes an author's note and historical timeline.