Stone Cold Surrender by Brenda Jackson

Sooner or later every woman surrenders to a Westmoreland’s seduction…

Stone Westmoreland has an eye for the ladies. And charm that never fails. He’s an experienced player who plays for keeps. So who would have guessed that prim and proper Madison Winters would be the one to rattle his nerves without even trying?
She has him feeling all protective—and all sexed up, too. Before he knows it, Stone has volunteered to help Madison find her mother, who has gone missing in the mountains.
He’s willing to play the knight in shining armor, but only if it means the hard days of trekking through the wilderness will result in the ultimate payoff—passion-filled nights under the Montana starlit sky with the delectable Miss Winters….

Originally published in 2004.