Add a publisher property to the Book object and make the appropriate changes to the program to ensure that this information can be captured when a new Book is created.
Also ensure that this information will be stored to and correctly loaded from the file storage.
Add a publisher property to the Book object and make the appropriate changes to the program to ensure that this information can be captured when a new Book is created.
Also ensure that this information will be stored to and correctly loaded from the file storage.