Twig was just a plain, ordinary little girl who lived on the fourth floor of a "high sort of house" in the city. The back yard behind that house was Twig's little world. It was a bare little world, with nothing but a dandelion and a stream of drainpipe water to make it beautiful; with nobody but Old Boy, the ice-wagon horse, Old Girl, the cat, and the Sparrows, to keep Twig company. But one day, out in the alley, Twig found an empty tomato...