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As an avid reader, I sometimes get to the end of a particularly cinematic book and think, "So, when is the movie coming?" I've made up plenty a dream cast in my head, only to find out that the movie rights have yet to even been snatched up. Of all the mystery books I've read — my favourite genre, naturally — there are a few that stand out as being practically written for the screen. While the book is (almost) always better than the movie, I would still pay cold hard cash to see the following adaptations in theatres. Fair warning that a handful of these did have movies in motion at one point, but those deals appear to be in limbo now.