the end, Katherine expresses a desire to travel, saying that she intends to take the Orient Express from Vienna. She asks Poirot if he has taken that train, and he says he has not. However, in a bit of foreshadowing, Poirot says that he would like to take the Orient Express someday, while Katherine talks about the romance of the train. Radio The Mystery of the Blue Train was adapted for radio by BBC Radio 4, with Maurice Denham as Poirot. It was broadcast in six parts weekly, 29 December 1985 - 2 February 1986. This was the first of the adaptations of Poirot novels by BBC Radio. Graphic novel The Mystery of the Blue Train was released by HarperCollins as a graphic novel adaptation on 3 December 2007, adapted and illustrated by Marc Piskic (). This was translated from the edition first published in France by Emmanuel Proust éditions in 2005 under the title of Le Train Bleu. Publication history 1928, William Collins and Sons (London), 29 March 1928, Hardcover, 296 pp 1928, Dodd Mead and Company (New York), 1928, Hardcover, 306 pp 1932, William Collins and Sons, February 1932 (As part of the Agatha Christie Omnibus of Crime along with The Murder of Roger Ackroyd, The Seven Dials Mystery and The Sittaford Mystery), Hardcover (Priced at seven shillings and sixpence) 1940, Pocket Books (New York), Paperback, 276 pp 1948, Penguin Books, Paperback, (Penguin number 691), 250 pp 1954, Pan Books, Paperback (Pan number 284) 1956, Pocket Books (New York), Paperback, 194 pp 1958, Fontana Books (Imprint of HarperCollins), Paperback, 248 pp 1972, Greenway edition of collected works (William Collins), Hardcover, 286 pp, 1973, Greenway edition of collected works (Dodd Mead), Hardcover, 286 pp, 1974, Dodd, Mead and Company (As part of the Murder on Board along with Death in the Clouds and What Mrs. McGillicuddy Saw!), Hardcover, 601 pp, 1976, Ulverscroft Large-print Edition, Hardcover, 423pp, OCLC 2275078 2006, Easton Press, Hardcover/Leather, 278 pp 2007, Poirot Facsimile Edition (Facsimile of 1928 UK First Edition), HarperCollins, 5 March 2007, Hardback The writing of this book (part of which took place on the Canary Islands in early 1927 - rather than February 1928, as Morgan suggests - given that the serialisation started on 1 February 1928) was an ordeal for Christie. The events of 1926, with the death of her mother, her husband's infidelity, and her breakdown and ten-day disappearance, had