New York: Harper & Row, (1983) dj. Hardcover first edition - Two "long-lost" short novels originally written in 1930 and 1931 and designed to be broadcast. While they were published as serials in the BBC's weekly periodical, The Listener, they have never before been published in book form, written by 8 members of the Detection Club: Christie, Sayers, E.C. Bentley, Anthony Berkeley, Ronald Knox, Freeman Willis Crofts, Hugh Walpole, and Clemence Dane. Introduction by Julian Symons. 182 pp. ISBN: 0-06039031X.