Simak, Clifford D. <br/><br/>
The visitors / 
by Clifford D. Simak. 
 - New York, N.Y. :  Ballantine Books,  1980. 
 - 282 p. 
<br/><br/> Title on cover : the strangest novel of alien invasion ever written. 
<br/><br/><label>ISBN: </label>0345283872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fiction--Science fiction--General.