A Rogue Walks into a Ball (The Hallaway Family)
Emily Greenwood

Lord Jack Hallaway is one of society's golden boys. The younger brother of the Marquess of Boxhaven, he's beguiling enough to charm the birds out of the trees, and just the kind of man Sarah would never let near her cousin. But Sarah's efforts to steer her cousin away from Jack don't go at all as planned, and she finds herself embroiled with him in an unlikely scheme. The last thing she wants to do is trust a man who represents everything that ever made her miserable, but will this rogue's kiss reveal that Sarah is no longer mistress of her own heart?