Beverly Lewis 
Secret (Seasons of Grace Book #1) 

The loving hand of God is at work in even the most unsettling circumstances…In the seemingly ordinary Amish home of Grace Byler, secrets abound. Why does her mother weep and wander deep in the night? And why does her father refuse to admit something is dreadfully wrong? Then, in one startling moment, the quiet life Grace has known is irrevocably altered, leaving her to question all she has been taught about love, family, and commitment."No one does Amish-based inspirationals better than Lewis." Booklist