Ganeri, Anita. <br/><br/>
Day and night / 
by Anita Ganeri. 
 - Oxford :  Heinemann Library,  2005. 
 - 32 p. :  col. ill ;  23 cm. 
 - Nature's patterns Young Explorer .
 - Nature's patterns Young Explorer .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0431113971 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological rhythms--Juvenile literature.<br/>Days--Juvenile literature.<br/>Time--Juvenile literature.