Gwak, Youngjik. <br/><br/>
Soil, the lifesaver (Korean) : 꿈틀꿈틀 흙이 있어요 / 
Youngjik Gwak ; illustrated by Juri Kim. 
 - Seoul, Korea :  Woongjin,   2006. 
 - 28 p. 
<br/><br/><label>ISBN: </label>9788901061047 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Korean language materials.