Keene, Carolyn <br/><br/>
The clue of the velvet mask / 
by Carolyn Keene 
 - New York,  Grosset & Dunlap  repr. 2005, 2002 
 - 177 p. :  ill. ;  19 cm. 
 - Nancy Drew mystery stories ;  30 .
 - Keene, Carolyn.  Nancy Drew mystery stories ;  30 .
<br/><br/>With: Mystery at the ski jump, by Carolyn Keene. New York, Grosset & Dunlap, 1968. 
<br/><br/> When a gang that uses parties as a cover for robberies victimizes a masquerade party Nancy is attending, the teen-age detective switches identity with her girl friend to solve the case. 
<br/><br/><label>ISBN: </label>0448095300 (hbk. : alk. paper) 
<br/><br/><label>LCCN: </label>69014266 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drew, Nancy (Fictitious character)--Fiction<br/>Detective and mystery stories, American
<br/><br/><label>LC Class. No.: </label>PS3537.T817  / .C5813 2005