Lauren Willig <br/><br/>
The Masque of the Black Tulip 

 -  Penguin  2005 
 - 464 pages 
<br/><br/> ...But now she has a million questions about the Pink Carnation's deadly French nemesis, the Black Tulip. And she's pretty sure that her handsome onagain, off-again crush, Colin Selwick, has the answers somewhere in his archives. But what she discovers in an old codebook is something juicier than she ever imagined. 
<br/><br/><label>ISBN: </label>9781101210819 
<br/><br/><label>Standard No.: </label>63164756 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historical Fiction<br/>Espionage
<br/><br/><label>LC Class. No.: </label>PS3623.I575 
<br/><br/><label>Dewey Class. No.: </label>813.6