The Untamed Heiress by Julia Justiss
An unexpected attraction
Imprisoned as a child by her spiteful father, Helena Lambarth vows to never again live under a man's rule. But to honour her mother's last wish, she journeys to London to enter society and finds herself a reluctant houseguest of the dashing Lord Darnell.
Lord Darnell has little time to oversee the bedraggled hoyden he's agreed to sponsor. Saddled with his father's debts, he hopes to win the hand of wealthy Priscilla Standish. But if only she wasn't so ordinary compared to his waiflike ward who has transformed into a bewitching young woman...