Ridpath, Ian <br/><br/>
Worlds beyond :  a report on the search for life in space / 
Ian Ridpath 
 - London :  Wildwood House,  1975 
 - 176 p. :  ill.,  facsim., ports. ;  30 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0704501856 :  USD 6.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life on other Planets<br/>Astronomy--Popular works
<br/><br/><label>Dewey Class. No.: </label>523.13