Double Action Deputy & Hitched! by B.J. Daniels

Double Action Deputy (Cardwell Ranch, book 4):
When Montana deputy marshal Brick Savage asks homicide detective Maureen Mortensen to help him find the person who destroyed her family, she quickly accepts his offer. But as the stakes rise and they get closer to a truth more horrible than they ever expected, can they find the murderer before they become targets?

Hitched!:
Following a trail of secrets back to his family ranch, Jack Winchester needs a cover to solve a decades-old mystery. Josey Smith offers him the perfect one-she’ll pose as his wife for a week. Yet while the sparks flying between them are anything but fake, the danger they face is all too real…