So, what's it really like to be a mouse? Meet the Robinson family and their neighbor, Mr. Brown. Mr. Brown is a mouse of experience who has had a full alphabet of children. The Robinsons are a friendly group who decide to move when the cat comes a bit too close to young Beaumont Robinson. They decide to emigrate to a new house that has no cat. They find just such a house and are taken in with great hospitality by a young fellow named Bill. A delightful peering into the world at a with a mouse's eye view and a great deal of heart.