Weakland, Mark, <br/><br/>
WHAT IS LIGHT? / 
by Mark Weakland. 
 - 24 pages :   colour photographs ;  21 cm. 
 - Science basics  First facts .
 - Science basics  First facts .
<br/><br/> "Book Band Level: Gold"--Back cover. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781474770859  RM 69.60 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light--Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>535