John Buchan was a Scottish author and statesman who lived from 1875 to 1940. He is best known for his adventure and spy novels, which often featured themes of espionage, political intrigue, and heroic protagonists. Buchan’s writing style was characterized by its fast-paced action, vivid descriptions, and intricate plots.

He was heavily influenced by his own experiences as a diplomat and intelligence officer, which lent an air of authenticity to his stories. Buchan’s most famous work is “The Thirty-Nine Steps,” a thrilling spy novel that has been adapted into several films and has become a classic of the genre. His other notable works include “Greenmantle,” “Prester John,” and “The Three Hostages.”