Keller, Laurie <br/><br/>
Pen wide :  tooth school inside / 
Laurie Keller. 
 - New York, NY :  Scholastic,  2001. 
 - [unpaged] :  ill. 
<br/><br/><label>ISBN: </label>0-439-23205-8 
<br/><br/><label>Dewey Class. No.: </label>KID K29 2001