"The 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.

Though the Greek and Roman crewmembers of the Argo II have made progress in their many quests, they still seem no closer to defeating the earth mother, Gaea. Her giants have risen -- all of them -- and they're stronger than ever. They must be stopped before the Feast of Spes, when Gaea plans to have two demigods sacrificed in Athens. She needs their blood -- the blood of Olympus -- in order to wake. The demigods are having more frequent visions of...

"Greek and Roman demigods from the Prophecy of Seven must work together to seal the Doors of Death--and help Percy and Annabeth escape the Underworld in the process"--

A spunky, feminist take on the myth of Gaia, the Greek goddess of the Earth. Long before the age of the Olympian gods, Gaia created the world in all its beauty. But from Gaia also came the Titans, who ran wild and free through this world--until her husband Ouranos turned on Gaia and declared himself the ruler of all she'd created. Her son Cronus then rose to power, but soon he too became hungry for more power--so much so that he swallowed his own...