num_pages: 123
description: With the help of a telescope and two interfering non-members, the Secret Seven recover some valuable paintings and capture the gang that stole them.
language: English
title: The Secret Seven and the old fort adventure
titlecomplete: The Secret Seven and the old fort adventure (Her Secret Seven adventures)
genres: Adventure, Classics, Mystery, Childrens, Juvenile, Young Adult, Middle Grade, Childrens Classics, Fiction, Mystery Thriller
ratings_count: 3152
series: The Secret Seven
publisher: Childrens Press