Patterson, Harry <br/><br/>
The Valhalla exchange 
Harry Patterson [i.e. J. Higgins]. 
 - 2nd printing 
 - New York  Stein and Day  1976. 
 - 224 p.  map (on lining papers) 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>76044293 //r912 
<br/><br/><label>LC Class. No.: </label>PZ4.H6367  PR6058.I343  / Val 1976 
<br/><br/><label>Dewey Class. No.: </label>823/.9/14