Espionage, danger, and a daring duo on the trail of a deadly conspiracy

Before Miss Marple and Hercule Poirot, there was Tommy & Tuppence—Agatha Christie's most adventurous crime-solving couple. In The Secret Adversary, post–World War I Britain hides secrets far darker than peace-time promises. When Tommy and Tuppence stumble into a missing-persons case, they uncover whispers of international espionage, political intrigue, and a mysterious mastermind known only as Mr. Brown.

Fast-paced, witty, and filled with Christie's signature plot twists, this is the dynamic debut of a detective duo that would go on to capture hearts worldwide.

Why readers love this classic mystery:

✔ "A perfect mix of mystery and romance, with fast-paced twists and real stakes."

✔ "Tommy and Tuppence are an irresistible pair—witty, brave, and thoroughly charming."

✔ A fan favorite for lovers of Christie's thrillers and vintage spy stories.

This edition includes:

📚 Annotated content with historical context

🧩 A redesigned layout for seamless reading

🎨 Beautifully illustrated and formatted for Kindle

📥 Join Tommy & Tuppence on their first case—download The Secret Adversary now and enter a world of danger, codes, and classic Christie suspense.