Monarch by Sophie Lark (Book 2, Grimstone)

Monarch by Sophie Lark is  dark contemporary romance novel about Elena, a bookstore nerd who becomes a mail-order bride to escape her life, only to find herself in a twisted fairytale with a handsome but controlling author in the gothic town of Grimstone. Her new life becomes a dangerous trap, and she finds an unexpected protector in Atlaas Covett, the owner of the Monarch hotel, as she tries to escape her fiancé's control.