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.

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.

"Carter and Sadie, offspring of the brilliant Egyptologist Dr. Julius Kane, embark on a worldwide search for the Book of Ra, but the House of Life and the gods of chaos are determined to stop them"--

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.

Fans of The Kane Chronicles series will adore this gorgeous primer on the people, places, gods, and creatures found in Rick Riordan's #1 New York Times bestselling series. Boasting lenticulars, an easy-to-assemble trading card pyramid, and full-color diagrams and maps, this deluxe, lavishly illustrated guide teaches readers how to compile secret messages, read hieroglyphics, and recite ancient magic spells. Featuring enough information and extras...