The Watcher by the Threshold

John Buchan, 1st Baron Tweedsmuir (1875–1940), was a versatile Scottish novelist, historian and Unionist politician who served as the Governor General of Canada. Buchan's literary career encompassed a variety of genres, but he is most renowned for his adventure stories and his significant contributions to the suspense and spy fiction genres. Among his extensive bibliography, 'The Watcher by the Th...