The book is a classic detective novel that follows the young, ambitious French detective Monsieur Lecoq as he investigates a mysterious double murder at a Parisian inn. Initially appearing to be a simple case of a quarrel gone wrong, Lecoq's keen observation and deductive skills uncover a much more complex plot involving disguise, mistaken identity, and a criminal mastermind. As he delves deeper into the investigation, Lecoq must navigate a web of deceit and betrayal, using his intelligence and resourcefulness to solve the case and prove his worth within the police force. The novel is a seminal work in the detective genre, showcasing the use of scientific methods in crime solving and the archetype of the brilliant detective.

The 4600th greatest book of all time