Copertina rigida, 128 pagine
Pubblicato il 25 Maggio 1950 da Brockhampton.
Enid Blyton: THE SECRET SEVEN ADVENTURE. (Hardcover, 1950, Brockhampton)
Copertina rigida, 128 pagine
Pubblicato il 25 Maggio 1950 da Brockhampton.
A priceless pearl necklace has been stolen, and the Secret Seven witnessed the thief making his escape. But where has he hidden the necklace?