Gaston LerouxVerified

When a young woman is violently attacked in a locked room and vanishes without a trace, journalist and amateur detective must navigate a labyrinth of secrets, hidden passages, and psychological deception in this ingenious locked-room mystery. Leroux combines the architectural puzzles of crime fiction with the psychological intensity of character study, creating a whodunit that rewards rereading.

A detective novel set among threats against General Trebassof in Russia. After earlier assassination attempts, his wife Matrena Petrovna receives Joseph Rouletabille, a young reporter who has come to investigate the danger to her husband.