The Man Upon the Stair

In this intriguing mystery, newly promoted Chief Inspector Lefebvre is tasked with solving the disappearance of the wealthy and scandalous Baron de Livet, whose connections to espionage threaten international stability. As he delves into a web of suspicious characters, strange incidents, and dangerous enemies, Lefebvre must race against time to uncover the truth and stay alive. The case combines political intrigue, espionage, and personal danger, setting the stage for a tense and compelling investigation.