<P> Charlie and the Chocolate Factory was first published in the United States by Alfred A. Knopf, Inc. in 1964 and in the United Kingdom by George Allen & Unwin, 11 months later . The book has been adapted into two major motion pictures: Willy Wonka & the Chocolate Factory in 1971, and Charlie and the Chocolate Factory in 2005 . The book's sequel, Charlie and the Great Glass Elevator, was written by Roald Dahl in 1971 and published in 1972 . Dahl had also planned to write a third book in the series but never finished it . </P> <P> The story was originally inspired by Roald Dahl's experience of chocolate companies during his schooldays . Cadbury would often send test packages to the schoolchildren in exchange for their opinions on the new products . At that time (around the 1920s), Cadbury and Rowntree's were England's two largest chocolate makers and they each often tried to steal trade secrets by sending spies, posing as employees, into the other's factory . Because of this, both companies became highly protective of their chocolate - making processes . It was a combination of this secrecy and the elaborate, often gigantic, machines in the factory that inspired Dahl to write the story . </P> <P> 11 - year - old Charlie Bucket lives in poverty in a tiny house with his parents and four grandparents . His grandparents share the only bed in the house, located in the only bedroom . Charlie and his parents sleep on a mattress on the floor . One day, Grandpa Joe tells him about the legendary and eccentric chocolatier, Willy Wonka and all the wonderful sweets he made until the other sweetmakers sent in spies to steal his secret recipes, which led him to close the factory forever . The next day, the newspaper announces that Mr Wonka is reopening the factory and has invited five children to come on a tour, after they find a golden ticket in a Wonka Bar . Each ticket find is a media sensation and each finder becomes a celebrity . The first four golden tickets are found by the gluttonous Augustus Gloop, the spoiled and petulant Veruca Salt, the gum - addicted Violet Beauregarde, and the TV - obsessed Mike Teavee . </P> <P> One day, Charlie sees a fifty - pence coin (dollar bill in the US version) buried in the snow . He then buys himself a Wonka Bar and finds the fifth golden ticket . The ticket says he can bring any family members with him to the factory and Charlie's parents decide to allow Grandpa Joe to go with him . </P>

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