Bay City Belle (In Old California #2)
Shirley Kennedy

When the train is robbed, Yancy McLeish, a disillusioned Union Army hero, rescues Belle from her attackers—and lays claim to her heart. But Belle has pledged her troth to Romano and intends to honor that commitment. It's a decision she soon regrets, for her groom-to-be is nothing like his letters. As she plots a course to escape Romano, Belle prays that road can lead her back to the safety of Yancy's arms, where she believes she was always destined to be…