Fern, Sophie, <br/><br/>
The Science of Sleep / 
by Sophie Fern. 
 - 24 pages :  photos ;  22 cm. 
 - CSI chapters. Level P .
 - CSI chapters.  Level P. .
<br/><br/> Includes index. 
<br/><br/> 1707 
<br/><br/><label>ISBN: </label>9781604578829 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sleep--Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>823.02