It's Only Make Believe
Carlisle, Donna
MAKE BELIEVE MARRIAGE

Sexy engineer Stone Harrison needed a wife--and fast! His matchmaking mother was on his back, a gaggle of marriage-minded businessmen were at his heels, and unless pretty Allison Carter agreed to help him out, he'd break his mother's heart and lose a major corporate account. Trouble was, Allison needed some convincing.

Allison Carter would do a lot of things for money, but pretending to be some man's wife was certainly not one of them! Okay, Stone was the best-looking thing she'd seen in ages, but making his mom happy and entertaining a bunch of stuffy corporate types wasn't her idea of a good time. But then Stone took her in his arms....