The BFG (which stands for "Big Friendly Giant") is a children's book written by Roald Dahl and illustrated by Quentin Blake, first published in 1982. An animated film based on the book was released in 1989 with David Jason providing the voice of the BFG and Amanda Root as the voice of Sophie (a character Dahl based on his own granddaughter). The book was an expansion of a story told in Danny, the Champion of the World, an earlier Dahl book. The book won the Deutscher Jugendliteraturpreis.
The story is about a little girl named Sophie, a name inspired by the author's granddaughter Sophie Dahl; Roald's mother was Sofie Magdalene Hesselberg Dahl. One night when Sophie couldn't fall asleep during the "witching hour", she sees a giant blowing something into the bedroom windows down the street. The giant notices her; although she tries to hide in her bed, he reaches through the window and carries her away to his home in giant country!
Fortunately for Sophie, she has been abducted by the world's only benevolent giant, the Big Friendly Giant or BFG. Operating in the strictest secrecy, the BFG catches good dreams, with help of his giant ears he can hear the dreams and its contents (which manifest themselves in misty Dream Country as floating, blob-like objects) and blows them via a trumpet-like blowpipe into the bedrooms of children. When he catches a nightmare, he explodes it, bottles it forever, or sometimes uses it to start fights among his neighboring mean ...