John Buchan

Adventurer Richard Hannay, just returned from South Africa, is thoroughly bored with London life—until he is accosted by a mysterious American, who warns him of an assassination plot that could completely destabalise the fragile political balance of Europe. Initially sceptical, Hannay nonetheless harbours the man—but one day returns home to find him murdered... An obvious suspect, Hannay flees to his native Scotland, pursued by both the police and a cunning, ruthless enemy. His life and the security of Britain are in grave peril, and everything rests on the solution to a baffling enigma: what are the 'thirty nine steps?'

Recently returned from South Africa, adventurer Richard Hannay is bored with life, but after a chance encounter with an American who informs him of an assassination plot and is then promptly murdered in Hannay's London flat, he becomes the obvious suspect and is forced to go on the run. He heads north to his native Scotland, fleeing the police and his enemies. Hannay must keep his wits about him if he is to warn the government before all is too late.