The elegant universe/  superstrings, hidden dimensions, and the quest for the ultimate theory 
Greene, Brian 
 - 1st ed. 
 - New York:  W. W. Norton & Company,  2003. 
 - 448 p.p 
<br/><br/><label>ISBN: </label>9780393058581 
<br/><br/><label>Dewey Class. No.: </label>539  / GRE/T