Mr. Standfast by John Buchan

British intelligence officer, is tasked with uncovering a German spy network operating in Britain. Disguised as a pacifist, he infiltrates radical groups and embarks on a perilous journey across England, France, and Switzerland. Along the way, he encounters the enigmatic Mary Lamington, who becomes both his ally and romantic interest. The story culminates in a high-stakes confrontation in the Alps. Combining espionage, adventure, and patriotism, Buchan explores themes of loyalty, courage, and sacrifice amidst the turmoil of war. Summary of Dream Audiobooks