Stuck inside on a rainy day? Bor-ing! Keep little ones busy with this pitch-perfect Little Critter story featuring Little Sister! Little Sister tries to find stuff to do on a rainy day, but she is bored! Mom won't let her play with the toys in her brother's room. Then she accidentally wakes up the baby! Thankfully, Mom is always one step ahead of Little Sister in this adorable 24-page picture book. It's a fun way to keep little ones busy on a rainy day!.