On the EdgeBy: Peter Lovesey [A] vivid postwar environment that confers plausibility, ingenious plot twists that heighten the suspense and two stunning character studies that confound our facile presumptions about women who kill. The New York Times Book Review Rose and Antonia were WAAF plotters during World War II, enjoying independence, a fulfilling and challenging job, and all the fun of being two women on an RAF base. But peacetime is a disappointment. Roses