num_pages: 128
description: When the instructor for the new Physical Fitness class at Camp Sunnyside turns out to be Sarah's older sister, Alison, Sarah feels her summer fun is over, especially when Alison decides to be as tough on Sarah as she is on the other campers.
language: English
title: Big Sister Blues
titlecomplete: Big Sister Blues (Camp Sunnyside Friends, #13)
genres: Childrens
ratings_count: 15
series: Camp Sunnyside Friends
publisher: Avon Books