Jung, Sueun. <br/><br/>
Why?Cave (Korean) : Why?동굴 / 
Sueun Jung ; illustrated by Jinho Kang. 
 - Seoul, Korea :  Yearimdang,  2007. 
 - 159 p. 
<br/><br/><label>ISBN: </label>9788930206464 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Korean language materials.