The double disguise
By: Frances K. Judd
Edition: Berkley ed.
Series: A Berkley medallion book -- G593; A Kay Tracey mystery -- 6; Berkley medallion book -- G593
Publisher: Berkley Pub. Corp.
Published: 1961
Place of publication: New York
Language: eng
Number of pages: 141
Subjects: Kay Tracey (Fictitious character); Juvenile fiction; Women detectives
Description: Imposters steal a secret formula and Kay discovers that trouble travels in twos.