Willy Wonka & the Chocolate Factory too much emphasis on Willy Wonka and not enough on Charlie", as well as the casting of Gene Wilder instead of Spike Milligan. Dahl was also "infuriated" by the deviations in the plot Seltzer devised in his draft of the screenplay, including the conversion of Slugworth, a minor character in the book, into a spy (so that the film could have a villain) and the "fizzy lifting drinks" scene along with music other than the original Oompa Loompa compositions (including "Pure Imagination" and "The Candy Man"), and the ending dialogue for the movie. In 1996, Dahl's second wife, Felicity, commented
Charlie and the Chocolate Factory this assessment in a letter to "The Horn Book Review", saying that her own daughter would turn "quite nasty" upon finishing the book. Roald Dahl responded to Cameron's criticisms by noting the classics she had cited would not be well received by contemporary children. The cover art for Penguin UK's Modern Classics , published in September 2014, received criticism as being creepy, irrelevant, and age inappropriate. "Charlie and the Chocolate Factory" has frequently been adapted for other media, including games, radio, the screen, and stage, most often as plays or musicals for children – often titled "Willy Wonka" or "Willy