<p>In 'Ambrose Lavendale, Diplomat,' E. Phillips Oppenheim crafts a captivating narrative that straddles the liminal space between the ordered world of diplomacy and the shadowy realm of espionage. Set against the backdrop of the tumultuous World War I era, the story invites readers into a web of intrigue and clandestine activity as the eponymous protagonist transitions from the structured environs of international diplomacy to the perilous domai...