This brand new edition of the world's longest-running play will contain a new introduction by Sophie Hannah, bestselling author of the authorised Agatha Christie Poirot continuation novels, as well as the official play script and a host of exclusive material from the show's archives. As news spreads of a murder in London, a group of seven strangers find themselves in a remote countryside guesthouse.

When a police sergeant arrives, the guests discover - to their horror - that a killer is in their midst. One by one, the suspicious characters reveal their sordid pasts. Which one is the murderer? Who will be their next victim? And can you solve this world-famous mystery for yourself?This beautiful 70th anniversary edition will contain an introduction by Sophie Hannah, the official playscript, an exclusive interview with producer Adam Spiegel, a treasure trove of letters, speeches, photographs, and other fascinating insights into the making of this iconic play.