A Simple Amish Christmas (US/UK), by Vannetta Chapman, is free for UK customers in the Kindle store, courtesy of Christian publisher Abingdon Press. I'll be looking for this one for US customers by morning.
Book Description
Annie Weaver always planned to return home, but the 20-year old RN has lived in Philadelphia for three years now. As her time of rumschpringe is about to come to an abrupt end, bringing for Annie an overwhelming sense of loneliness. She returns home and finds herself face-to-face with a budding romance with an Amish farmer and Annie has several important choices to make.