Roal Dahl was an English writer and he wrote a lot of great books for children such as "Charlie and chocolate factory", "james and the Giant Peach", "Matilda", "The Witches", "Fantastic Mr Fox" and many others.
If you want to know more about Roal Dahl click on the links below.
Here you find more info on the book "The BFG"
and this is a video with the cartoon movie.
Next July a Spielberg's film will come out and here is the trailer