Many readers find this volume superior to the first two for several key reasons: Higher Stakes:

You can find various editions—from the classic John Rocco covers to the new TV tie-ins—at major retailers:

The story begins with a winter mission to rescue two new demigods from Westover Hall. During a skirmish with a Manticore, Annabeth disappears. Soon after, the goddess Artemis also goes missing while hunting an ancient, world-destroying monster. Percy must join forces with the to track down the Titan Atlas and prevent the rise of the Titan Lord, Kronos. Where to Read and Official Editions