Secret Seven on the Trail / Go Ahead, Secret Seven / Good Work, Secret Seven
By: Enid Blyton
Contributors: Blyton, Enid, 1898?-1968
Series: Secret Seven #4, 5, 6
Publisher: Knight
Published: 1993
Place of publication: Sevenoaks
Language: eng
Number of pages: 330
ISBN-13: 9780340596210