Agatha Christie

Zenith Horizon Publishing

🕵️‍♂️ 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.