There is no finer form of fiction than the mystery. It has structure, a story line and a sense of place and pace. It is the one genre where the reader and the writer are pitted against each other. Readers don’t want to guess the ending, but they don’t want to be so baffled that it annoys them. ... The research you do is crucial. In mystery fiction, you have to tell the truth. You can’t fool the reader and expect to get away with it.