Seekers of tomorrow;  masters of science fiction, 
by Sam Moskowitz.  
 - [1st ed.] 
 - Cleveland,  World Pub. Co.  [1966]  
 - 441 p  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science fiction--History and criticism.
<br/><br/><label>LC Class. No.: </label>PN3448.S45  / M66 1966