A reckless young mouse named Ralph makes friends with a boy in room 215 of the Mountain View Inn and discovers the joys of motorcycling.

Ramona Quimby is seven and a half - "right now", as she likes to say. With her rapid growing come many changes, including new pajamas so cozy that Ramona wears them under her clothes to school. But even though Ramona's getting bigger, she sometimes feels left out of the more grown-up relationship between her older sister, Beezus, and their busy working mom. Mrs. Quimby tells friends she "couldn't get along without Beezus", but does this mean she doesn't...

Presents the further adventures of a motorcycle-riding mouse who goes to school and becomes the instigator of an investigation of rodents and the peacemaker for two lonely boys.