Derrière les portes bleues is a French-language novel by Michel Giliberti, first published in paperback by H&O Editions on January 16, 2001. Set against a backdrop of everyday life, the story follows characters whose lives intersect behind the symbolic blue doors of a modest apartment building. Through nuanced prose, Giliberti examines the quiet tensions that arise from personal secrets, communal bonds, the passage of time, and shifting expectations. The narrative blends introspection with subtle social observation, offering readers a contemplative look at how ordinary spaces can hold extraordinary meaning. Though the work remains relatively obscure outside Francophone circles, its concise length and accessible style make it a suitable choice for readers interested in contemporary literary fiction that emphasizes character over plot.