Claimed By the Heartless Highlander by Lydia Kendall

“Ye wrote me those letters as if we’re betrothed. So I’m here to claim my bride. We’re to wed in a month.”

Desperate to avoid an unwanted match, Ailis makes up a betrothal to a long-lost Laird. But she never expects the Ghost to show up at her doorstep, ready to claim his bride.
After the fire that changed him forever, brooding Laird Duncan lives like a recluse. But when he reads the dirty letters a bold vixen has been sending him, he decides to make her wish come true.
He offers Ailis a marriage of convenience. But he has one condition: they must stay away from each other. Even if he can’t resist the flush on her cheeks. Or how she trembles when he touches her…