Love Bears All Things #2, in the Amish Secrets series, by Beth Wiseman
When Amish friend Daniel Byler shows up on Charlotte Dolinsky's door step in Texas, she drops everything to help. A member of his family is in danger of being shunned. Charlotte once betrayed him by pretending to be an Amish woman while trying to find information out about how her only brother Ethan died. As their friendship grows closer, Will she find herself torn between two worlds?