HEO, Soon-Bong <br/><br/>
Why? : Microorganism 

 - hlm.  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>0
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Grade 7-9
<br/><br/><label>Dewey Class. No.: </label>576.