The Literary Crime Quiz Book

What detective had the catchphrase "I do hope I'm not intruding"? What is Mr Foyle's first name? Which detective had OCD?Covering TV, film, plays and radio, with a round on spoofs and murders in other types of literature, The Literary Quiz Book has 80 questions on the well known and little known areas of crime fiction.Sorry, no clues are given, you'll just going to have to wing it!