A Perfect Love — Kay L. McDonald

When the tall, newly minted preacher named Aaron Wood came looking for a bride to accompany him on his mission to the Sandwich Islands, Elizabeth Morgan thought her prayers had been asnwered. Little did she suspect that the perfect love Aaron desired would not be for her and that escaped convict Ian McCloud, who boarded the Thaddeus at Rio de Janiero, would be the man who loves her and offers her refuge. During that refuge she discovers Ian is making his living by destroying the very people Aaron and Elizabeth have vowed to save. When a measles epidemic strikes Lahaina, Elizabeth is torn between the man who loves her and the man, and the life, she married.