Well Done, Secret Seven / Secret Seven on the trail
By: Enid Blyton ; illustrated by Derek Lucas.
Contributors: Lucas, Derek, 1920-
Series: Secret Seven #3, 4
Publisher: Knight
Published: 1987
Place of publication: (Sevenoaks)
Language: eng
Number of pages: 189
Table of contents: title: Contents, Well done, Secret Seven. Originally published, Leicester , Brockhampton, 1951 - Secret Seven on the trail. Originally published, Leicester , Brockhampton, 1952.