Billionaire Beast #3 (Bad Boy Alpha Billionaire Werewolf Shifter Romance) - Beast Billionaire, #3

Maggie strives to avoid her father's employer, but the strength of Adrian's allure can't keep her away for long.  She finds herself driving down that familiar driveway one wintry night intent on a short visit, but her stay is lengthened when her car gets stuck.  She's forced to walk the last stretch, but she senses she isn't alone.  A creeping fear lingers with her long after she arrives at the house, and the sensation isn't dispelled in the presence of her werewolf lover.
Maggie's horror takes physical form when something awakens her in the middle of the night.  The horror flees, but there's no question of it returning.  Escape is found to be impossible, so she must enlist the aid of Adrian and his hostile servant keep her from the clutches of the phantom.  Magical incantations, dark cults, and blood sacrifices culminate in a night of terror that leads Maggie through confusion and revelation as she tries to stay one step ahead of her demonic foe.