Brockman,  John <br/><br/>
What are you optimistic about?:  today's leading thinkers on why things are good and getting better / 
John Brockman 
 - New York:  Harper Perennial  2007 
 - xxii, 374 pages ;  21 cm. 
<br/><br/><label>ISBN: </label>9780061436932 
<br/><br/><label>LC Class. No.: </label>HM 901. W43 2007  / 1