Not every mystery begins with a murder—some begin with a secret. In The Secret Adversary, Agatha Christie introduces the spirited duo Tommy and Tuppence in a thrilling blend of mystery, espionage, and adventure. Drawn into a dangerous conspiracy after the First World War, they must uncover the identity of a shadowy figure determined to control a powerful secret. Fast-paced and full of clever twists, this novel combines suspense, humor, and intrigue, offering a different but equally compelling side of Christie's storytelling. Every clue leads deeper into a world of deception and high stakes. A classic tale of adventure and mystery that launched one of Christie's most beloved partnerships.