Stemman, Roy  1942- <br/><br/>
Visitors from outer space 
by Roy Stemman 
 - London  Aldus books  1976 
 - 144 p.  ill.  25 cm. 
 - New library of the supernatural .
<br/><br/> New enl. ed. published in 1978 under title : Mysteries of the universe 
<br/><br/><label>ISBN: </label> PND 3.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unidentified flying objects<br/>Interplanetary voyages
<br/><br/><label>Dewey Class. No.: </label>001.94