Sagan, Carl <br/><br/>
Pale blue dot :  a vision of the human future in space / 
Carl Sagan 
 - 1st ed. 
 - New York :  Random House,  c1994 
 - xviii, 429 p. :  ill. (some col.), maps ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [406]-411) and index 
<br/><br/><label>ISBN: </label>0679438416 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Outer space--Exploration--Popular works