Popkin, Richard Henry. <br/><br/>
Philosophy made simple / 
by Richard H. Popkin and Avrum Stroll ; advisory editor A.V. Kelly. 
 - London :  W.H. Allen,  1969. 
 - xviii, 302 p. ;  22 cm. 
 - Made Simple Books. .
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0491007892 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy--Introductions.