Bishop, Margaret S. <br/><br/>
Focus on earth science :  teacher΄s annotated edition / 
Margaret S. Bishop, Berry Sutherland, Phyllis G. Lewis. 
 - Columbus:   Merrill,   1981.  
 - 536 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0675025133 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science--Study and teaching (Secondary)
<br/><br/><label>Dewey Class. No.: </label>550.712