The heiress gets a Duke

"American heiress August Crenshaw has aspirations. But unlike her peers, it isn't some stuffy British Lord she wants wrapped around her finger--it's Crenshaw Iron Works, the family business. When it's clear that August's outrageously progressive ways render her unsuitable for a respectable match, her parents offer up her younger sister to the highest entitled bidder instead. This simply will not do. August refuses to leave her sister to the mercy...