Rescued from a rainy, boggy town where she works in a dismal factory, ten-year-old orphan Isabelle learns that she is the last surviving member of a family that tends the world's only remaining magic-producing farm.
Mr. MacDonald, an apartment super, turns his building into a four-story farm with hot and cold running sweet potato vines, ceiling carrots, carpets of cabbages, and other farm produce and animals, prompting all the tenants to move out.
Describes the main crops grown in the United States, the soil composition and climate conditions necessary for their growth, the development of hybrids, and the importance of caring for the land.
When a big new yellow tractor arrives, Otis the friendly little tractor is cast away behind the barn, but when trouble occurs Otis is the only one who can help.
When Farmer Brown goes on vacation, leaving his brother, Bob, in charge, Duck makes trouble by changing all his instructions to notes the animals like much better.