Langone, John,  1929-2006. <br/><br/>
The mystery of time :  humanity's quest for order and measure / 
John Langone. 
 - Washington, D.C. :  National Geographic Society,  c2000. 
 - 256 p. :  ill. (chiefly col.) ;  29 cm. 
<br/><br/>Includes bibliographical references (p. 251) and index. 
<br/><br/><label>ISBN: </label>0792279107 (regular) 0792279115 (deluxe) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time--History.
<br/><br/><label>LC Class. No.: </label>BD638  / .L26 2000 
<br/><br/><label>Dewey Class. No.: </label>115  / LAN 2000