Buenos Aires, January 1948. A body is found at dawn on a vacant lot in Caballito. The case looks routine: a small-time fraudster, robbery presumed, no witnesses worth the paperwork. Commissioner Iosef Levi opens the file and prepares to close it. He doesn't. What was taken from the dead man was not his wallet. What was left behind — a torn page from the Book of Esther, a calibre too small for any street killer, a customs card from the Hotel de los Inmigrantes — belongs to something older and more silently organised than a January robbery. While Levi works the case from one direction, a Boedo bookseller named Daniel Goldman is working it from another. So is a parish priest who keeps a black-bound notebook in a locked drawer. So is an American liaison who arrives quietly with a wood-coloured envelope and no letterhead. Behind all of them, the same name keeps surfacing: Stahl . A shadow more than a man. A war criminal who may have walked through the Hotel de los Inmigrantes — the customs door through which postwar Argentina admitted, with violet ink and a tired stamp, executioners and shopkeepers alike. In a city thick with summer heat and unfinished European business, four hands are hunting in the same dark. Some belong to those seeking justice. Others to those clearing accounts. None of them, in the end, can be told apart by their method. Set against the real history of the Argentine ratlines, Hotel of the Immigrants is a slow-burn literary noir of postwar reckoning, immigrant memory, and the bureaucratic geography of evil. Buenos Aires itself is the protagonist: streetcars and sidewalks, the smell of damp coal, an enamel kettle in a sacristy, the violet rubber stamp of a customs desk pressed onto a sheet of paper to say go ahead . For readers of Alan Furst, Eric Ambler, Philip Kerr's Bernie Gunther series, and Manuel Vázquez Montalbán.