num_pages: 122
description: A girl has mysteriously run away from home and her parents are frantic with worry. Can the Secret Seven follow the clues and catch up with the girl, or will Susie, Jack's troublesome little sister, get in the way?
language: English
title: Secret Seven Mystery
titlecomplete: Secret Seven Mystery (The Secret Seven, #9)
genres: Adventure, Classics, Mystery, Childrens, Juvenile, Young Adult, Novels, Middle Grade, Detective, Fiction
ratings_count: 3437
series: The Secret Seven
publisher: Hodder