Esler, William K. <br/><br/>
Teaching elementary science / 
William K. Esler, Mary K. Esler. 
 - 7th ed. 
 - Belmont :  Wadsworth Pub. Co.,  c1996. 
 - xiv, 608 p. :  ill., maps ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0534505112 (alk. paper) 
<br/><br/><label>LCCN: </label>95004753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>LB1585  LB1585  / .E84 1996  / .E84 
<br/><br/><label>Dewey Class. No.: </label>372.3/5044