"La Vie devant soi" is a novel written by Romain Gary under the pseudonym Émile Ajar. Published in 1975, it tells the story of a young Arab boy named Momo who lives with an elderly Jewish woman named Madame Rosa in a Parisian neighborhood. The narrative explores themes of love, identity, and the struggles of marginalized communities. The book is notable for its unique perspective, as it is narrated by Momo, who reflects on his life and the challenges he faces. "La Vie devant soi" won the prestigious Prix Goncourt and has been adapted into various films and plays, highlighting its enduring impact on literature and culture.