I really have no idea, but I'm grateful to have found Martin Edwards now, not least because he has fantastic website, which is full of unexpected treasure. I particularly recommend clicking on the "Collecting crime" link.
Martin writes novels set in Liverpool and the English lakes, and has been generous enough to answer the 10 questions.
Favourite author:Charles Dickens. Among crime writers: Ruth Rendell, aka Barbara Vine (living) and Arthur Conan Doyle and Agatha Christie (deceased)
Favourite book: American: Catch-22. British: Billy Liar and Bleak House. British crime: A Fatal Inversion. US crime: Red Leaves
Favourite character: Sherlock Holmes
Best crime city: London
Best film adaptation: Not easy to choose between: Don't Look Now, Vertigo, and Get Carter
Book that gave you the thriller bug: The Murder at the Vicarage
Author to watch: American: J.A. Konrath. British: Kate Ellis
What you snack on while writing: Kit-Kat chocolate biscuits
Who would play Martin Edwards in a film of your life: Robert Lindsay, if the casting director was feeling very generous