Who wrote the novel that the film released on a double bill with Once Upon a Mouse was based on?
Once Upon a Mouse: Once Upon a Mouse is a 1981 American theatrical featurette directed by Jerry Kramer and Gary Rocklen, produced in association with Walt Disney Productions by Kramer/Rocklen Studios. The Fox and the Hound: The Fox and the Hound is a 1981 American animated drama film produced by Walt Disney Productions and loosely based on the novel of the same name by Daniel P. Mannix.
i don't know