The best science fiction of the year 
edited by Terry Carr. 
 - New York, N.Y. :  Ballantine Books,  1972. 
 - 340 p. 
<br/><br/> Title on cover : featuring stories by Poul Anderson, Lloyd Biggle, Arthur C. Clarke, George Alec Effinger, Philip Jose Farmer, Ursula K. Le Guin, Larry Niven, Alexei Panshin, Robert Silverberg, Norman Spinrad 
<br/><br/><label>ISBN: </label>0345249224195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fiction--Science fiction--General.