The Secret seven and the railroad mystery
By: Enid Blyton ; illustrations by Tom Dunnington.
Edition: American edition.
Series: Enid Blyton's secret seven adventures
Publisher: Children's Press
Published: 1972
Place of publication: Chicago
Language: eng
Number of pages: 122
Subjects: Mystery and detective stories
Notes: Revised and edited by M. Hughes Miller.
"First published as "Secret Seven on the Trail" 1952."