Nelson, Joan. <br/><br/>
Meeting challenges / 
Joan Nelson. 
 - New York :  American Book Co.,  1980. 
 - 512 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0278457614 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers (Elementary).