Drost, Joost. <br/><br/>
The bubblegum guy :  how to deal with how you feel / 
by Joost Drost. 
 - London :  Paul Chapman Publishing,  2004. 
 - 115 p. :  ill ;  28 cm. 
<br/><br/> Includes CD-ROM. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>1904315445 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Emotions.<br/>Self-confidence in children.