Once works enter into the public domain, spinoff works such as adaptations in book and film may perhaps enhance noticeably, as happened with Frances Hodgson Burnett's novel The Secret Garden, which became public domain while in the US in 1977 and most on the rest in the world in https://familyservicesandprotecti01111.tribunablog.com/motivational-books-can-be-fun-for-anyone-52637719