00935cam a2200253 4500 540538538 TxAuBib 20151207120000.0 041220s2004||||||||||||||||||||||||eng|u 9780060740917 pbk. 0060740914 pbk. ICrlF ICrlF ICrlF TxAuBib Feldman, David, 1950- Do penguins have knees : an Imponderables book / David Feldman ; illustrated by Kassie Schwan. 1st Perennial Currents ed. New York : Perennial Currents, 2004. xvi, 317 p. : ill., map ; 21 cm. Includes indexes. Author humorously answers civilization's most perplexing questions and darkest mysteries known to humankind. Young Adult Follett Library Resources. Young Adult. Questions and answers. Questions and answers. Humor. Schwan, Kassie, ill.