00900cam a2200253 4500 547808256 TxAuBib 20060228120000.0 060227s2005||||||||||||||||||||||||eng|u 2004019958 9780439676120 lib. bdg. $16.99 0439676126 lib. bdg. $16.99 DLC DLC NjBwBT TxAuBib Schwartz, David M. If dogs were dinosaurs / by David M. Schwartz ; illustrated by James Warhola. 1st ed. New York : Scholastic Press, 2005. 1 v. (unpaged) : col. ill. ; 29 cm. Explores the concepts of ratio and proportion by growing or shrinking various objects by the same amounts. 20060228. Ratio and proportion. Arithmetic. Warhola, James, ill.