"Greek and Roman demigods from the Prophecy of Seven must work together to seal the Doors of Death--and help Percy and Annabeth escape the Underworld in the process"--

"Tim Baker thinks his adventures are over until he hitches a ride to Ancient Greece on a stolen vase. Soon Time finds himself trapped with an army of peacocks and a hero who can't stop admiring himself." --Page 4 of cover.

"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"--

Introduces Hera, Zeus's wife and goddess of air, sky, and the heavens, and the only thing Zeus is afraid of.

"Odin, the ruler of the Asgardians, has an important mission for Demon. Goldbristle, the gods' prized shining boar, is losing his light. Now Demon must travel to Asgard in the North to search this cold, snowy land for anything that might cure this beast." -back of cover.

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.

The Greek myths are among the world's most important cultural building blocks and they have been retold many times, but rarely do they focus on the remarkable women at the heart of these ancient stories. Stories of gods and monsters are the mainstay of epic poetry and Greek tragedy, from Homer to Aeschylus, Sophocles and Euripides, from the Trojan War to Jason and the Argonauts. And still, today, a wealth of novels, plays and films draw their inspiration...

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.

Recounts some of the grueling and dangerous tasks Heracles, son of Zeus, performed to atone for his earthly sins.