Heroes of Olympus, The, Book Two: The Son of Neptune [Hardcover] for $10.75

In The Lost Hero, three demigods named Jason, Piper, and Leo made their first visit to Camp Half-Blood, where they inherited a quest:Seven half-bloods shall answer the call,To storm or fire the world must fall.An oath to keep with a final breath,And foes bear arms to the Doors of Death.