The Secret of Chimneys by Agatha Christie

A chance meeting leads a young adventurer into a tangled web of political intrigue, royal secrets, and murder at the grand English estate of Chimneys. As secret agents, foreign royals, and jewel thieves collide, an undercover detective works to prevent a national scandal. With witty dialogue and shifting identities, the story combines Christie’s flair for country house mysteries with international espionage. It’s a fast-paced caper full of charm and surprise.