Keene, Carolyn.

The clue of the velvet mask / by Carolyn Keene. - New York : Grosset & Dunlap, 1998, c1953. - 177 p. : ill. ; 19 cm. - Nancy Drew mystery stories ; 30 . - Keene, Carolyn. Nancy Drew mystery stories ; 30. .

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.

ISBN: 0448095300 : $11.50

LCCN: 69014266 /AC/r84

Subjects--Topical Terms:
Mystery and detectvie stories.
Drew, Nancy (Fictitious character)--Fiction.

Dewey Class. No.: [Fic]