PD James. She is simply awesome. Along with Agatha Christie, this is THE mystery and crime fiction writer of the 20th century. Few - if any - do it better or write it better. (Truly. There are college writing classes that use her books for examples.) BBC also did a bunch of movies adapted from her Inspector Dalgliesh books (very faithfully). Check out, well, any book really. Cover Her Face was the first one.
“If our sex life were determined by our first youthful experiments, most of the world would be doomed to celibacy. In no area of human experience are human beings more convinced that something better can be had only if they persevere.” ― P.D. James, The Children of Men