The Thirty-Nine StEFs

The Thirty-Nine Steps, set during World War I, tells the story of Richard Hannay, who finds himself accused of murder and must battles both police and spies to prove his innocence. According to Wikipedia, it "is an adventure novel by the Scottish author John Buchan, first published in 1915...It is the first of five novels featuring Richard Hannay, an all-action hero with a stiff upper lip and a miraculous knack for getting himself out of sticky situations. John Buchan, 1st Baron Tweedsmuir ...