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 catastrophic war between the gods.

The long-awaited prophecy surrounding Percy Jackson's sixteenth birthday unfolds as he leads an army of young demigods to stop Kronos in his advance on New York City, while the Olympians struggle to contain the rampaging monster, Typhon.

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.

Presents three original short stories, interviews, character profiles, and puzzles about demigod Percy Jackson and his world.

Welcome, boys and girls, readers of all ages, to the first-ever Library Olympiad! Kyle and his teammates are back, and the world-famous game maker, Luigi Lemoncello, is at it again! This time Mr. Lemoncello has invited teams from all across America to compete in the first ever LIBRARY OLYMPICS. Will it be fun? Like the commercials say ... HELLO? It's a Lemoncello! But something suspicious is going on ... books are missing from Mr. Lemoncello's library....

Ten-year-old Leo's future and the fate of the extraordinary Whippet Hotel, where his father is the maintenance man, are at stake when a series of cryptic boxes leads Leo to hidden floors, strange puzzles, and unexpected alliances.

Percy Jackson's hope for a normal senior year is shattered as the gods present him with three quests, beginning with the retrieval of Zeus's goblet, in order to get the necessary three letters of recommendation for college.

In response to an awful camp orientation video created by the god Apollo, Percy Jackson and other residents of Camp Half-Blood answer campers' questions such as "What is this place?" and "Do I get to keep the T-shirt?"

When twelve-year-old Nick runs away from his uncle's in the middle of a blizzard, he stumbles onto a very opinionated bookstore. He also meets its guardian, the self-proclaimed Evil Wizard Smallbone, who calls Nick his apprentice and won't let him leave, but won't teach him magic, either. It's a good thing the bookstore takes Nick's magical education in hand, because Smallbone's nemesis--the Evil Wizard Fidelou--and his pack of shape-shifting bikers...

Dragged into the political turmoil of a presidential election year, fourteen-year-old Cooper Jewett, who runs a New Hampshire dairy farm since his grandfather's death, stands up for himself and makes it clear whose first boy he really is.