A hard man is good to find…and impossible to resist. The Vaughn Series, Book 4 Since a car accident left her unable to have children, Grace Vaughn has hidden her heart behind a wall. So far it’s held strong, and no one complains much—except the few men she dates. Now that fortress is crumbling thanks to Jackson Hill, an annoyingly attractive man who makes her imagination go wild just watching him in the office. He’s practically bullied her into attending a Vegas conference with him. Three days alone with the delicious Jackson—in Sin City, no less—is sure to push her right over the edge. With a loving family, a decent bank account, a nice set of clubs, Jackson’s life is almost complete. Except for the missing piece. Grace. She sets a fire in his blood, and the conference is the perfect crowbar to get past her defense mechanisms. It’s time to see if the bump-and-grind potential in that booty of hers can be channeled into something a little more satisfying than looking. He’s got just the tactic to get her to let down her guard—and hopefully her panties. A wicked bet. Because if there’s one thing he knows about Grace, she can’t resist a double-dog-dare…