Bomber is a novel written by Len Deighton and published in the United Kingdom in 1970. It is the fictionalised account of the events of 31 June [sic] 1943 in which an RAF bombing raid on the Ruhr area of western Germany goes wrong. In each chapter, the plot is advanced by seeing the progress of the day through the eyes of protagonists on both sides of the conflict. Bomber was the first novel to be written on a word processor, the IBM MT/ST