Dunbar, Polly. Penguin / Polly Dunbar. - London : Walker, 2008. - 1 v. : chiefly col. ill. ; 26 cm. ISBN: 1406312460 (pbk.) : £5.99 9781406312461 (pbk.) : £5.99 Nat. Bib. No.: GBA7A2075 bnb Subjects--Topical Terms: Penguins--Pictorial works--Juvenile fiction.