A letter for Miss Marple from a recently deceased friend promises a large reward for investigating a crime - without telling her who was involved, or when it happened! When she accepts, she is given a reservation for a coach tour of historic homes and gardens. She has fifteen fellow-passengers - and one of them knows a murderer's secret and someone is preparing to kill.。中东铁路自1898年至1903年,在以哈尔滨为中心的我国东北地区分断修建。根据当时的勘测数据,中东铁路东西干线加上南部支线全长2380俄里,即2522.8公里。经过百年的路权斗争,中东铁路的路权在上世纪五十年代终于完全回归中国。。