THE MURDERER LIVES AT NUMBER 21Discover the psychological thriller that will keep you on the edge of your seat until the very last page! In "THE MURDERER LIVES AT NUMBER 21," a mysterious killer is terrorizing the city, leaving a trail of death and confusion in his wake. Who is the murderer? Why does he choose his victims? And how will he be caught? Immerse yourself in a world of suspense and mystery, where nothing is as it seems. A book that will make you think and keep you enthralled until the final word.

Here is a summary in English of *"L'Assassin Habite au 21" (The Murderer Lives at Number 21) by S.A. Steeman:*

This is a classic French detective novel from 1939, one of the most famous "whodunit" stories.

*The Plot:*

In London, a series of mysterious murders terrifies the city. The killer always leaves the same clue: a small calling card.

The police investigation leads to one address: *21 Russell Square*, a quiet boarding house that rents rooms to eccentric residents. All the tenants seem normal, but the police are sure the killer is one of them.

The famous Belgian private detective *Monsieur Wens (Wenceslas Vorobeïtchik)* is hired to solve the case. He decides to move into the boarding house himself undercover, as a new tenant, to observe everyone.

He lives with a strange group of people: a former military man, a young woman, a doctor, a clergyman, and others. Everyone has secrets, everyone has a motive, and everyone seems suspicious.