Escape from Cold Ditch is still in print in the UK. Davidson has published 16 other children's books.

BBC: Author 'sues Chicken Run'

Mr Davidson says the movie's plot is based on his book, Escape From Cold Ditch, says the paper.

BBC: Author 'sues Chicken Run'

The paper also says the author received an offer from a Hollywood studio in 1998 to turn Escape From Cold Ditch into a film, but this was withdrawn when it was discovered DreamWorks were working on a similar project.

BBC: Author 'sues Chicken Run'