Sam and Hannah know how to have fun together. But then Hannah gets a new doll named Baby. Baby goes everywhere with Hannah. When they play school, Hannah calls on Baby, not Sam. When they play jukebox, Baby gets to sing before Sam. Sam doesn't like Baby at all. In this true-to-life story, a brother and sister find a creative way to deal with jealousy. How can Sam, Hannah, and Baby all have fun together? The solution is simple and clever and surprising.