Having returned to Britain after years in Rhodesia, Richard Hannay finds himself caught up in a plot to drag Europe - and the world - into a terrible war. Falsely accused of murder, Hannay goes on the run, intent on uncovering a vicious group of German spies, and of unravelling the mystery of the 39 Steps... John Buchan's classic, influential thriller has been adapted for radio, screen and stage on numerous occasions and led to several sequels featuring Hannay.