Edited by, Fink, Douglas R. <br/><br/>
Crossword challenge: 200 tough-to-solve crosswords for expert puzzlers 

 - 1st 
 - USA  Aadams Media  2010 
 - 216p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crossword challenge
<br/><br/><label>Dewey Class. No.: </label>793.732  / CRO