Antonia Fraser: Jemima Shore at the Sunny Grave

From treachery in the Caribbean to mischief in the Mediterranean, from murderous drama to sleek black comedy, from a baffling number of suspects to a single confrontation with a maniacal rapist, here is a tantalising and varied excursion round motives and methods in the realm of crime - a collection of wittily told and deftly turned stories, with a twist.