Title: The clue of the velvet mask
Description: 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.
Subjects: Mystery and detective stories, Juvenile fiction, Detective and mystery stories, Children's stories, Drew, nancy (fictitious character), fiction, Children's fiction, Nancy Drew (Fictitious character), Adventure and adventurers, Women detectives, Fiction, Mystery, CollectionID:NDMS