let me mention other series about other interesting groups. More than Words by Judith Miller. Daughter of Amana set in Homestead Village Amana Colonies, Iowa. a group that lived with everything in common. You will know this name from the Amana products.
Two about the Shaker Life by Ann Gabhart. The Seeker and The Outsider.
I love historical fiction its nice to learn history in stories.
Red Hat Mum.