WRIGHT Robert <br/><br/>
Nonzero :  history, evolution and human cooperation / 
by Robert Wright 
 - London :  Abacus,  2000 
 - x, 435 pages ; 19 cm 
<br/><br/>Includes bibliograpical references and index 
<br/><br/><label>ISBN: </label>9780349113340 (pbk) :  BND25.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HUMAN EVOLUTION-- HISTORY<br/>SOCIAL EVOLUTION-- HISTORY