About the Book Tilly drives the other barnyard animals crazy with her silliness, but after gruffly telling her to stop, they discover that they miss her old ways. Book Synopsis Tilly is not an ordinary goose. She takes her baths in apple juice. She wears a pancake as a hat. She tries to ride the farmers cat. But the barnyard animals complain that shes too silly. When she stops entertaining her friends with her antics, the farm becomes a quiet and unhappy place. David Slonims acrylic, pencil, and ballpoint pen illustrations add to the hilarity in this story about a one-of-a-kind silly goose.