When demonic cheerleaders invade his high school, Percy Jackson hurries to Camp Half Blood, from whence he and his demigod friends go out on a quest through the Labyrinth, while the war between the Olympians and the evil Titan lord Kronos draws near.

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. In order to save Olympus, Emily and her winged horse, Pegasus, venture to Hawaii—and a Hawaiian volcano—in this fifth book of an exciting series that puts a modern thrill into ancient mythology. The ancient rivalry between the Olympians and the...

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

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.