Well, this is kind of exciting: Last December, I read Patricia Highsmith’s icy suspense novel “Deep Water” and pondered online why nobody had made this very cinematic book — written more than half a century ago — into a movie. Now I hear today that Adrian Lyne (“Flashdance,” “Fatal Attraction”), who hasn’t made a movie since 2002′s “Unfaithful,” has signed a deal to direct a screen version of Highsmith’s “Deep Water,” scripted by Zach Helm (“Stranger Than Fiction”). Though I’d love to believe that all of this came about because these people read my blog, it’s actually been in the works for a long time, with producer Ben Forkner obtaining the rights from Highsmith’s estate eight years ago. Deadline writes that “a big star” is interested in the project — which is about an unhappily married suburban couple, a man who wonders what it would be like to kill someone, and some inconvenient dead bodies — and that Big Star’s availability (if he/she signs) would dictate the production schedule. Again, if anyone’s reading: Joseph Gordon-Levitt and Kate Winslet, please.