Mirror, Mirror — Rita Herron

Kimberly Turner's going to kill her twin sister Marci. She's supposed to take Marci's place, playing phony fiancee to a friend in need. The reason? Appease his marriage-minded family. Simple? Hardly. Then Kimberly lays eyes on her "intended"...
Handsome architect Austin McDane needs a little favor -- and fast. And what's so wrong with a little deception amongst family? Plenty -- especially when Austin finds himself irresistibly attracted to his pretty partner-for-hire. All he has to do is convince Kimberly that their game is as real as the honeymoon -- and just a walk down the aisle from true love...