The valentine mystery
By: Joan Lowery Nixon ; illustrated by Jim Cummins.
Contributors: Cummins, Jim, 1914-
Series: First read-alone mysteries
Publisher: A. Whitman
Published: 1979
Place of publication: Chicago
Language: eng
Number of pages: 32
Subjects: Valentine's Day -- Fiction; Mystery and detective stories
Description: Amateur detectives Susan and Mike track down the mysterious sender of an unsigned valentine.