After learning that he is the son of a mortal woman and Poseidon, god of the sea, twelve-year-old Percy is sent to a summer camp for demigods like himself, and joins his new friends on a quest to prevent a war between the gods.

When the goddess Artemis disappears while hunting a rare, ancient monster, a group of her followers joins Percy and his friends in an attempt to find and rescue her before the winter solstice, when her influence is needed to sway the Olympian Council regarding the war with the Titans.

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.

"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"--

"A publisher in New York asked me to write down what I know about the Greek gods, and I was like, Can we do this anonymously? Because I don't need the Olympians mad at me again. But if it helps you to know your Greek gods, and survive an encounter with them if they ever show up in your face, then I guess writing all this down will be my good deed for the week. So begins Percy Jackson's Greek Gods, in which the son of Poseidon adds his own magic--and...

Percy is confused. When he awoke after his long sleep, he didn't know much more than his name. His brain-fuzz is lingering, even after the wolf Lupa told him he is a demigod and trained him to fight. Somehow Percy managed to make it to the camp for half-bloods, despite the fact that he had to continually kill monsters that, annoyingly, would not stay dead. But the camp doesn't ring any bells with him. Hazel is supposed to be dead. When she lived before,...

"Who cut off Medusa's head? Who was raised by a she-bear? Who tamed Pegasus? It takes a demigod to know, and Percy Jackson can fill you in on the all the daring deeds of Perseus, Atalanta, Bellerophon, and the rest of the major Greek heroes. Told in the funny, irreverent style readers have come to expect from Percy -- Provided by publisher.

Turned into a human and banished from Olympus, Apollo must restore five ancient oracles to reclaim his godly powers. Apollo (aka Lester Papadopoulos) is now at Camp Jupiter in the San Francisco Bay Area, where the Roman demigods are preparing for a desperate last stand against the evil Triumvirate of Roman emperors. Hazel, Reyna, Frank, Tyson, Ella are among those who will need Apollo's aid to survive the onslaught. It may be time for him to call...

How do you handle an encounter with Medusa on the New Jersey interstate? What's the best way to take down a minotaur? Become an expert on everything in Percy's world with this must-have guide to the Percy Jackson and the Olympians series. Complete with interviews, puzzles, games, and original short stories by Rick Riordan.

In the perilous days of World Wars I and II, the gods hold the fates-- and the hearts-- of four mortals in their hands. They are Hazel, James, Aubrey, and Colette. A classical pianist from London, a British would-be architect-turned-soldier, a Harlem-born ragtime genius in the U.S. Army, and a Belgian orphan with a gorgeous voice and a devastating past. Their story, as told by goddess Aphrodite to her husband, Hephaestus, and her lover, Ares, is filled...