Walker, Niki  1972 <br/><br/>
What is a dinosaur? 
Niki Walker 
 - ed. 
 - New York  Crabtree Pub.  1999 
 - 32 p. 
 - The science of living things .
 - The science of living things .
<br/><br/><label>ISBN: </label>0329238299 0865059217 (rlb) 0865059497 (pbk.)