Riordan,Rick PERCY JACKSON and The Battle of The Labyrinth - PUFFIN BOOKS U.S.A 2009 - 342p 1 - 2023-10-10 ISBN: 978-0-141-32127-1 Nat. Bib. No.: 0001180 Nat. Bib. Agency Control No.: RIO Universal Decimal Class. No.: 823