When a strange man turns up on his doorstep with stories of spies and assassinations, Richard Hannay is drawn into the murky world of international espionage. Four days later, the stranger is dead and Hannay is caught up in a dramatic race to prevent a world war. Hunted across Britain by enemies unknown, he must outwit his pursuers and try to reach the site of the mysterious 'Thirty-Nine Steps'.
Set in 1914, this classic British thriller has been adapted many times for stage, television and film.