The Sheriff of Sage Bend by Brenda Mott (2007) – Harlequin romance novel

Seven years ago Lucas Blaylock let his dark family history cost him a future with Miranda Ward. Now the independent Montana cowgirl needs him to help find her missing sister. This time Lucas won’t let Miranda down. This time he can’t walk away.

Mirand has never forgiven Lucas for leaving her at the altar. But with her sister’s life at stake, she must once again put her trust in the seductive lawman. As danger trails them into treacherous territory, Miranda has no defense against her powerful feelings for Lucas.