Polar Bears Hardback Main Details Title Polar Bears Authors and Contributors      By (author) Conrad Mason Illustrated by Daniel Howarth Series First Reading Level 4 Physical Properties Format:Hardback Pages:48 Dimensions(mm): Height 196,Width 130 ISBN/Barcode 9781474901932 Classifications Dewey:599.786 Audience Preschool (0-5) Children's (6-12) Publishing Details Publisher Usborne Publishing Ltd Imprint Usborne Publishing Ltd Publication Date 31 December 2009 Publication Country United Kingdom