Every morning, at the same hour whilst on the golf course, Jack Hartington hears mysterious cries for help. He speaks to a resident of the cottage from which the cries emanate and learns that she has unsettling dreams of a woman with a blue Chinese vase. Believing that the cries for help are from the late Mrs Turner, the former resident of the cottage, Jack hires a psychic investigator to spend a night in the house, a night which proves to have startling results...
Agatha Christie is known throughout the world as the Queen of Crime. Her books have sold over a billion copies in English with another billion in over 100 foreign languages. She is the most widely published author of all time and in any language, outsold only by the Bible and Shakespeare. She is the author of 80 crime novels and short story collections, 20 plays, and six novels written under the name of Mary Westmacott.