Lewis, John S. <br/><br/>
Worlds without end :  the exploration of planets known and unknown / 
John S. Lewis. 
 - Reading, Mass. :  Perseus Books,  c1998. 
 - 236 p. :  ill. ;  25 cm. 
 - Helix books .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0738200115 
<br/><br/><label>LCCN: </label>98086415 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Planets.<br/>Extrasolar planets.<br/>Life on other planets.
<br/><br/><label>LC Class. No.: </label>QB820  / .L48 1998 
<br/><br/><label>Dewey Class. No.: </label>523