"Les mystères de Paris, Tome I" by Eugène Sue is a serial novel published between 1842 and 1843. Set in the impoverished underworld of Paris, it follows the mysterious Rodolphe as he works to restore social justice by rewarding the good and punishing the wicked. The story takes readers through the city's most miserable districts, depicting criminals, poor workers, and dangerous streets. Originally conceived as a tale of the criminal classes, the novel evolved during its wildly successful publication into groundbreaking social literature that gave voice to the laboring poor and critiqued contemporary society.
Wikipedia page about this book: fr.wikipedia.org/wiki/Les_Myst%C3%A8res_de_Paris Wikipedia page about this book: en.wikipedia.org/wiki/The_Mysteries_of_Paris