Keene, Carolyn, <br/><br/>
The clue in the crossword cipher. 

 - New York :  Armada books,  1981. 
 - 159  pages. 
<br/><br/><label>ISBN: </label>0006910645 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crossword puzzle makers.<br/>Literature.<br/>Mystery.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.K23