Bounty Hunter and the Heiress (Harlequin Historical Series #909) Carol Finch Author

Evangeline Hallowell has sworn not to rest until she finds the dirty swindler who conned her sister. So when Colorado's best bounty hunter, J. D. Raven, refuses to help, the determined heiress joins the trail as his “wife”—for better or for worse…. With enemies galore gunning for him, the last thing Raven needs is some stubborn, sass-mouthed hellcat landing them both in bigger trouble! But he soon finds keeping Eva safe is way easier than keeping himself from wanting her….