The Mystery of the Missing Old Player Piano (Book 2)

Debra has always been a favorite granddaughter. They both love music and Debra has discovered a secret about the piano. Mildred, her grandfather's girlfriend has become suspicious of the piano and plans to get rid of it so Debra won't hang around as much. Debra tries to warn her grandfather, but you know how blind love can be! Will Mildred succeed?