The sister switch (Best wishes (Series) 2.)
by Mlynowski, Sarah (Author), Rigaud, Debbie (Author)
Series
Summary
Tired of being the middle sister, eleven-year-old Addie Asante uses a magical bracelet to switch places with her thirteen-year-old sister and discovers that being older is not necessarily easier--and worse, her baby sister is now living as Addie. Full description