Little Sister. Big Trouble. Anne Mazer, author of the bestselling Amazing Days of Abby Hayes, reaches out to younger readers with this magical take on sibling rivalry.

Mabel loves taking piano lessons and practices every day. She's so excited about practicing that her parents buy a brand-new piano - and decide she should star in a concert at a family party! The only problem is that Violet is jealous. And that could mean an outbreak of magic just when Mabel's about to get her moment in the limelight!