London: Cresset Press, 1950. First UK edition. Her first book. She is known for her psychological thrillers, which led to more than two dozen film adaptations. This title has been adapted for stage and screen numerous times, notably by Alfred Hitchcock in 1951. The book is fine but for the barest rubbing on tips in a aged dust jacket with a slightly faded spine and very minor edgewear. HER FIRST BOOK.