Murphy, Stuart J.  1942 <br/><br/>
Double the ducks 
Stuart J Murphy 
 - 1st ed. 
 - [S.l.]  HarperCollins  2003 
 - 31 p. 
 - MathStart .
 - MathStart .
<br/><br/><label>ISBN: </label>0060289228 0060289236 (lib. bdg.) 0064462498 (pbk.) 032931274X 1404625771