The mystery of the 99 steps
By: by Carolyn Keene.
Series: Nancy Drew mystery stories / Carolyn Keene -- 2
Publisher: Collins; HarperCollins Distribution Services
Published: 1971
Place of publication: London
Language: eng
Number of pages: 158
Subjects: Children's stories
Notes: Originally published, New York, Grosset and Dunlap, 1966.