Lukas, Catherine <br/><br/>
Race to the tower of power / 
Catherine Lukas. 
 - New York :  Simon Spotlight,  2006. 
 - [unpaged] :  col. ill;  21cm. 
 - The Backyardigans. .
<br/><br/><label>ISBN: </label>978-1-4169-1558-4 
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<br/><br/><label>Dewey Class. No.: </label>L9688r  2006