num_pages: 112
description: Karen and Addie are elected to the safety patrol. Karen is so proud to wear her badge and help keep the halls safe. But uh-oh. Things are being stolen all over the school. Can Karen and Addie catch the thieves?
language: English
title: Karen's School Mystery
titlecomplete: Karen's School Mystery (Baby-sitters Little Sister, #57)
genres: Juvenile, Childrens, Fiction, Mystery
ratings_count: 167
series: Baby-Sitters Little Sister
publisher: Scholastic Paperbacks