Walker, Sally M. <br/><br/>
Reefs / 
by Sally M. Walker. 
 - Minneapolis, MN :  Lerner Pub.,  c2008. 
 - 48 p. :  col. ill., col. map ;  23 cm. 
 - Early bird Earth science .
 - Early bird Earth science. .
<br/><br/>Includes bibliographical references (p. 45) and index. 
<br/><br/>What is a reef? -- What makes a reef? -- Coral reefs -- Fossil reefs -- People and reefs. 
<br/><br/> Introduces reefs, including how they are made, their importance to the environment, and why they are endangered. 
<br/><br/> 3.9.  K-3  Follett Library Resources. 
<br/><br/>
<br/><br/><label>ISBN: </label>0822567385 
<br/><br/><label>LCCN: </label>2006101487 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coral reefs and islands.
<br/><br/><label>LC Class. No.: </label>GB512  / .W35 2008 
<br/><br/><label>Dewey Class. No.: </label>578.77/89