阿嘉莎·克莉絲蒂

Destination Unknown is a work of detective fiction by Agatha Christie and first published in the UK by the Collins Crime Club on 1 November 1954 and in US by Dodd, Mead and Company in 1955 under the title of So Many Steps to Death. The UK edition retailed at ten shillings and sixpence and the US edition at $2.75.