Saitz, Robert L. <br/><br/>
Challenge  a first reader/workbook in English 
Robert L. Saitz, Francine B. Stieglitz. 
 - Cambridge, Mass.  Winthrop Publishers  c1978. 
 - xii, 299 p.  ill.  24 cm. 
<br/><br/> 920331 
<br/><br/><label>ISBN: </label>0876261241  6.95 
<br/><br/><label>LCCN: </label>78000616 //r872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.
<br/><br/><label>LC Class. No.: </label>PE1128  / .S2158 1978 
<br/><br/><label>Dewey Class. No.: </label>428/.2/4