<DIV>&nbsp;In <EM>The Lost Hero</EM>, three demigods named Jason, Piper, and Leo made their first visit to Camp Half-Blood, where they inherited a blood-chilling&nbsp;quest:</DIV><DIV><BR><EM>Seven half-bloods shall answer the call,<BR>To storm or fire the world must fall.<BR>An oath to keep with a final breath,<BR>And foes bear arms to the Doors of Death.</EM><BR><BR>Who&nbsp;are the other four mentioned in the prophesy? The answer may lie in another camp thousands of miles away, where a new camper&nbsp;has shown up and appears&nbsp;to be the son of Neptune, god of the sea. . . </DIV><DIV>&nbsp;</DIV><DIV>With an ever-expanding cast of brave-hearted heroes and formidable foes, this second book in The Heroes of Olympus series offers&nbsp;all of the&nbsp;action, pathos, and humor that Rick Riordan fans crave.</DIV>