The Thirty-Nine Steps

The Thirty-Nine Steps is an adventure novel by the Scottish author John Buchan. It first appeared as a serial in Blackwood's Magazine in August and September 1915 before being published in book form in October that year by William Blackwood and Sons, Edinburgh.

The novel is set during May and June 1914; war was evident in Europe, Richard Hannay the protagonist and narrator, an expatriate Scot, returns to his new home, a flat in London, after a long stay in Rhodesia to begin a new life. One night he is buttonholed by a stranger, a well-travelled American, who claims to be in fear for his life. The man appears to know of an anarchist plot to destabilise Europe, beginning with a plan to assassinate the Greek Premier, Constantine Karolides, during his forthcoming visit to London.