House of Bane and Blood by Alexis L Menard

Paperback - overstock with remainder mark 

House of Bane and Blood by Alexis L. Menard is a fantasy romance novel about a forced marriage between rival crime families in a magical, post-industrial city, blending elements of Peaky Blinders and the Grishaverse. The story follows heiress Camilla Marchese, who must marry rival leader Nicolai Attano to save her family's syndicate, leading to a "hate-to-love" romance as they work together to find a serial kidnapper and uncover dark secrets. It's the first book in the Vows of Vengeance duology, followed by City of Mirth and Malice.