Lauraine Snelling 
Measure of Mercy (Home to Blessing Book #1) [EPUB ebook] 

Eighteen-year-old Astrid Bjorklund has always dreamed of becoming a doctor. She had intended to study medicine in Chicago or Grand Forks, but when a disaster wiped out a major portion of her family’s income, Astrid stayed home instead, receiving hands-on training from Dr. Elizabeth.Joshua Landsverk left Blessing two years ago, but he’s never forgotten Astrid. Returning to town, he seeks to court her. Astrid is attracted to him, and when the opportunity unexpectedly opens for her to go to Chicago for medical training, she finds it difficult to leave. Love blossoms through their letters, but upon arriving back home, she makes a heartbreaking discovery. Will she have to give up love to pursue her dream?