A Cowboy for Caleb by L.C. Davis

Falling for his deceased twin brother’s mate was never part of Dustin’s plan.
This midwestern Alpha might be a little rough around the edges, but he lives by a few simple principles and honor is chief among them.
Nonetheless, when tragedy strikes the Meadowlands Pack, Dustin feels he has no choice but to bring his twin’s mate home to take care of him. The only problem is, Caleb isn’t anything like Dustin expected of the city omega who stole his brother’s heart and divided their family.
What starts out as trying to do the right thing soon becomes a blurry series of complicated decisions that lead Dustin further away from the path he’s always followed—and further into the arms of the one omega he was never supposed to want.
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Caleb has been through the worst a mated omega could fear. He’s lost his mate and their unborn child, and now he finds himself at the mercy of an Alpha who has every reason to hate him.
Despite being twins, Dustin and Caleb’s former mate, Alec, are nothing alike. Caleb wants nothing more than to please his new Alpha and secure his position in the pack, but Dustin seems to take everything he says the wrong way.
As forbidden tensions mount between Alpha and omega, Caleb begins to fear that Dustin will start taking his developing interest the right way.