01091cam a2200289 4500 142461272 TxAuBib 20121010120000.0 121010s2012||||||||||||||||||||||||eng|u 9781423140603 1423140605 TxAuBib Riordan, Rick. The mark of Athena / by Rick Riordan. New York : Hyperion Books, 2012. 579 p. ; 23 cm. Heroes of Olympus ; 3 TThe Greek and Roman demigods will have to cooperate in order to defeat the giants released by the Earth Mother, Gaea. Then they will have to sail together to the ancient land--Greece itself--to find the Doors of Death--provided by publisher. 20121010. Mythology, Roman Juvenile fiction. Mythology, Greek Juvenile Fiction. Giants Fiction. Camps Fiction. Hera (Greek deity) Fiction. Gaia (Greek deity) Fiction. Heroes of Olympus ; 3.