TitleThe 39 Steps.AuthorAdapted by Patrick Barlow from the novel by John Buchan. Based on the Alfred Hitchcock movie and an original concept by Nobby Dimon and Simon Corble.
Agatha Christie was known for being protective of her endings. In her Autobiography, Christie writes that people sometimes tried to get her to change the endings of her books, but she only gave in once — for her only historical mystery, the ancient Egypt-set Death Comes As the…