The Secret Adversary by Agatha Christie is a thrilling mystery of international espionage, political conspiracy, hidden identities, and deadly secrets, introducing the irresistible detective partnership of Tommy Beresford and Prudence 'Tuppence' Cowley.

In the uncertain aftermath of World War I, two adventurous young friends find themselves unemployed, short of money, and eager for excitement. Their fortunes change dramatically when they establish a daring new enterprise offering their services to anyone willing to pay for adventure.

Before long, Tommy and Tuppence become entangled in a dangerous conspiracy involving a missing young woman, secret government documents, and a mysterious criminal mastermind known only as Mr. Brown. As they follow a twisting trail of deception through London's shadowy underworld, the pair must rely on ingenuity, courage, and quick thinking to survive.

First published in 1922, this entertaining early Christie novel combines sparkling dialogue, unexpected twists, romantic intrigue, and relentless suspense, introducing two of the author's most beloved recurring characters.

A delightful and fast-paced adventure in which nothing is quite what it seems, and danger waits around every corner.