"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"--
Record details
ISBN:9781368051712
ISBN:9781423146773
ISBN:1423146727 (hardcover)
ISBN:9781423146728 (hardcover)
Physical Description:597 pages ; 22 cm. print
Edition:First edition.
Publisher:New York : Disney/Hyperion Books, [2013]