Marrying Off Morgan McBride (The McBrides of Montana, #2) by Amy Barry

The McBride brothers are in for a matrimonial surprise when an enterprising woman answers their little sister's mail order bride advertisement in this laugh-out-loud historical romance.
 
As the oldest of the McBride siblings, Morgan had to be protector and shepherd since Ma died and Pa ran off. It hasn't always been easy, especially when his heart longs to roam on the trail. But now that his brother Kit is married and settled, the time is right for Morgan to leave Buck's Creek. Little does he know that his hellcat of a little sister Junebug is dead set on keeping him at home and getting more help around the house – all with one honest advertisement in The Matrimonial News.
 
Epiphany Hopgood has always had a gift for doing the exact wrong thing. She’s too tall, too loud, too opinionated, and too contrary for her family and community. Staring down the barrel of spinsterhood, she and her grandmother answer a seemingly straightforward ad for a bride.
 
But when Pip shows up to Buck’s Creek, she finds that Morgan McBride is not the husband she expected. In fact, he doesn’t even want to be a husband. But maybe there’s a way to make everyone happy out on the Montana frontier…