Charlie and the Chocolate Factory Wonka, Jr." and almost always featuring musical numbers by all the main characters (Wonka, Charlie, Grandpa Joe, Violet, Veruca, etc.); many of the songs are revised versions from the 1971 film. "Charlie and the Chocolate Factory" has undergone numerous editions and been illustrated by numerous artists. The cover photo of the 50th anniversary edition, published by Penguin Modern Classics for sale in the UK and aimed at the adult market received widespread commentary and criticism. The cover is a photo of a heavily made up young girl seated on her mother's knee and wearing a doll-like expression, taken by the
Charlie and the Chocolate Factory (film) to help Wonka confront and reconcile with his estranged father; Wonka finally realizes the value of family, while his father learns to accept his son for who he is, and not what he does. In the end, Wonka finally allows Charlie's family to move into the factory. Author Roald Dahl disapproved of the 1971 film adaptation and declined the film rights to produce the sequel, "Charlie and the Great Glass Elevator". Warner Bros. and Brillstein-Grey Entertainment entered discussions with the Dahl estate in 1991, hoping to purchase the rights to produce another film version of "Charlie and the Chocolate Factory".