Linda B. reviewed Mary Anne and the Music Box Secret (Baby-Sitters Club Mystery, Bk 31) on + 12 more book reviews
Mystery #31.

While cleaning up Granny and Pop-Pop's house after a floood, Mary Ann finds a secret pannel in the basement wall. Inside os a package with a threatening note. There is a beautiful music box inside. What is the storey behind the music box? Mary Ann cleared up the whole mystery and they have fun doing it.