Pinker, Steven, /d 1954- <br/><br/>
The better angels of our nature :  a history of violence and human ity / 
Steven Pinker. 
 - London :  Penguin,   2012. 
 - xxviii, 1026 p. :  ill., maps ;   20 cm. 
<br/><br/>Includes bibliographical references (914-974) and index. 
<br/><br/><label>ISBN: </label>9780141034645 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Violence-- History.<br/>Violence-- Psychological aspects.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Violence-- Social aspects.
<br/><br/><label>Dewey Class. No.: </label>303.609