Palmer, Donald. <br/><br/>
Why it's hard to be good :  an introduction to ethical theory / 
text and illustrations by Donald Palmer. 
 - Boston :  McGraw-Hill,  c2006. 
 - x, 422 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 390-392) and index. 
<br/><br/><label>ISBN: </label>0767424093 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics--History.
<br/><br/><label>Dewey Class. No.: </label>171