Meet Caroline Quiner, the little girl who would grow up to be Laura Ingalls Wilder's mother. Caroline and her family are getting settled in their new little house deep in the big woods of Concord, Wisconsin. Caroline is beginning to explore Concord, and is looking forward to going to school, when disaster strikes. It's a cholera epidemic, and it's sweeping the state. It's up to Caroline to help keep her family together and pull them through this terrible time. On Top of Concord Hill is the fourth book in The Caroline Years, an ongoing series about the adventures of another girl from America's favorite pioneer family.