Higgins, Jack,  1929- <br/><br/>
The keys of hell 
Jack Higgins. 
 - New York :  Berkley Publishing Group ;  Penguin Putnam, Inc.,  2001. 
 - 264 p. ;  18 cm. 
<br/><br/> "Elements of this novel are taken from a novel of the same title published in 1965 under the pseudonym Martin Fallon, by Abelard-Schuman, London" -- verso page. 
<br/><br/><label>ISBN: </label>0425182681  7.99 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Adventure fiction.