Mercury Press. <br/><br/>
The magazine of fantasy and science fiction / 
by Mercury Press. 
 - Cornwall, Conn. :  Mercury Press,  1973. 
 - 159 p. 
<br/><br/> Title on cover : special Frederik Pohl issue featuring "In the problem pit," a new novella by Frederik Pohl.  Title on cover Isaac Asimov, "Signs of the times". 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science fiction.