Pyers, Greg. Why am I a mammal / by Greg Pyers. - Oxford : Raintree, 2006. - 32 p. : ill., col ; 28x22 cm. - Classifying animals Raintree perspectives . - Classifying animals Raintree perspectives . Includes index. ISBN: 1740702697 Subjects--Topical Terms: Animals--Classification.Mammals.Tigers.