World geography  : Developed by Eductional Challenges, Inc 

 - Toronto:  D. C. Heath and Co,  1983. 
 - 488p 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>910  / WOR