586 pages, [64 pages] ; 20 cm 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 This edition is available for distribution only through the school market Includes a [12 page] glossary of names and terms Inside: Never-Before-Seen Short Story: Annabeth Chase Meet Sadie Kane! Includes a [64] page short story, The Staff of Serapis: An Annabeth Chase/Sadie Kane adventure Accelerated Reader AR MG 4.8 Goodreads Choice for Best Middle Grade & Children's (2012) First Scholastic printing, September 2014