Anthony, Piers <br/><br/>
Double Exposure 
Piers Anthony. 
 - Garden City, N.Y. :  Nelson Doubleday,  c1980-1982. 
 - 790p. :  map. ; 
<br/><br/>Split infinity. -- Blue adept. -- Juxtaposition. 
<br/><br/><label>ISBN: </label>0812531256