Riordan, Rick. Percy Jackson's Greek heroes / Rick Riordan ; illustrated by Jon Rocco. - First hardcover edition. - New York: Disney - Hyperion, 2015. - 416 pages : color illustrations ; 31 cm Includes bibliographical references and index. ISBN: 9781423183655 Subjects--Topical Terms: Greek Mythology. Greek Gods. Index Terms--Genre/Form: Fantasy.