Whenever someone asks me to name today’s top suspense novelists, my short list always includes Tana French. French is such a gorgeous writer: She’s a poet of mood and a master builder of plots that are positively Piranesi-like in their ingeniousness. Her Dublin Murder Squad series (which began in 2007 with “In the Woods,” which won the Anthony, Edgar, Macavity and Barry awards) relies on the simple device of a recurring cast of police detectives, although, that device isn’t so simple psychologically.