Martin, Ann M.,  1955- <br/><br/>
Karen's dinosaur /  [book] 

 - New York, N.Y. ;  Toronto, Ont. :  Scholastic,  c1996. 
 - 106 p. :  ill. ;  20 cm. 
 - The Baby-sitters little sister  ;  73. .
<br/><br/><label>ISBN: </label>0590263013 (pbk)  3.99 0590263013 (pbk)