Kalman, Bobbie. 
Earth's rivers / 
Bobbie Kalman. 
 - New York :  Crabtree Pub.,  c2009. 
 - 32 p. :  col. ill., col. maps ;  25 cm. 
 - Looking at Earth .
 Includes index. 
9780778732181 (pbk. : alk. paper) 0778732185 (pbk. : alk. paper) 9780778732082 (reinforced library binding : alk. paper) 0778732088 (reinforced library binding : alk. paper) 
1286314  QBI 
2008035386 
20089055489 
Rivers.
GB1203.8  / .K35 2009 
551.48/3