The Secret Adversary

The novel that introduced Tommy and Tuppence, a bantering pair of 1920s bright young things who solve a mystery together while falling for each other.

The Great War is over and jobs are scarce. Tommy Beresford and Prudence "Tuppence" Cowley, who were friends before the war, run into each other in London and discover they are both equally short of money and opportunities. On a whim, they decide to start a business, advertising themselves as "The Young Adventurers."

Their first job leads them ...