self.book_info.authors = self.book_info.author, PersonStub(("Joe",), "Dilligent"),
self.book_info.kinds = self.book_info.kind, 'Y-Kind',
self.book_info.genres = self.book_info.genre, 'Y-Genre',
self.book_info.authors = self.book_info.author, PersonStub(("Joe",), "Dilligent"),
self.book_info.kinds = self.book_info.kind, 'Y-Kind',
self.book_info.genres = self.book_info.genre, 'Y-Genre',