Moon over the Mediterranean

In 1961, young schoolteacher Robin Fletcher is delighted to accompany her widowed aunt on a cruise from Barcelona to Venice-a voyage whose ports of call include some of the great cities of Europe. On her first night at sea, Robin is awakened by the moonlight flooding through her stateroom window. When she goes up on deck to admire the view, she observes one of her fellow passengers throwing something off the stern of the ship. Thus begins a series of strange incidents, each more bewildering...