Fact: all mysteries stump me....unless it's an awful mystery and then I figure it out and don't like the book. My latest read is Why Didn't They Ask Evans? by Agatha Christie. The story features Bobby Jones and Lady Frances "Frankie" Derwitt, old friends who stumble into a mystery (as so many of us do, right? Right).
Yup, Christie got me. I thought it was a well written and put together mystery---she throws in quite a few twists. Add in a bit of romance and wit and it's a classic! The plot is semi-complicated, probably more so because I just want to go to bed, so let's just leave it as a nice stand-alone mystery.