Honore and the Hangman by Kari Trumbo

Honore has been on the run from the man who hanged her husband. Now he’s found her.

In the bleak dead of winter, Honore heads back to Redemption Bluff. It’s one of two places where she’s accepted for who she is, even if they don’t exactly know who that is. When she arrives back in town, she finds her enemy at the doorstep.
Charles the Black, dreaded hangman of Boston, will not be denied the chance to fulfill his duty. When Honore Carter escaped his clutches with a dastardly lie, the hunt was on. But now a town full of outlaws may just impede his justice.
Honore is stuck with Charles in the dead of winter. When tempers flare, there’s nowhere to turn. The only thing keeping him from meting out justice is the snow between him and the gallows. The longer the storms keep them, the more he sees her as human and not just a verdict unkept.
But is that enough to save her life?