Caught in the middle of an ancient power struggle, Emily and Pegasus must venture to Diamond Head volcano in Hawaii to track down the one thing that can save Olympus--before the Titans get there first.

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. "Percy Jackson isn't expecting freshman orientation to be any fun. But when a mysterious mortal acquaintance appears on campus, followed by demon cheerleaders, things quickly move from bad to diabolical....

"Astraea, Zephyr, and their friends travel to a dangerous jungle world in this second book of the Titans series"-- Provided by publisher.

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.

Young Poseidon must overcome his fear of the sea and its creatures to save a fellow Olympian. With Cronus and the other Titans in pursuit, and various monsters before him, young Poseidon must overcome his fear of the sea and the creatures that lurk in it in order to save a fellow Olympian.