Savage, Stephen, 1965- Where's Walrus? / [book] - 1st ed. - New York : Scholastic, c2011. - 1 v. (unpaged) : col. ill. ; 27 cm. ISBN: 9780439700498 9780439700504 LCCN: 2010922375 LC Class. No.: MLCM 2012/41378 (P)