Supergranny
Subtitle: The Secret of Devil Mountain (Supergranny Mystery No.4)
Publisher: Holderby and Bierce
Published: September 1988
Language: eng
Format: Hardcover
Number of pages: 112
ISBN-13: 9780916761059
Subjects: Family - Multigenerational; Mystery and detective stories; Children's All Ages; Children: Grades 4-6