The article discusses the literary identity of Marek Krajewski’s fiction. The analysis of his novels serves mainly to indicate their both literary patterns: detective story and hard-boiled fiction. However, Krajewski is inspired not only by them, but also by the bourgeois realism. The article is an attempt to clarify some problems emerging from this poetics. Special attention is paid to such literary structures as presented space, social life schemes and, particularly, the “bourgeois demonism,” i.e. Discreet fascination of urban violence and depravity in the bourgeois novel.