The Dove in the Eagle's Nest - Charlotte Mary Yonge

Christina is an ordinary girl who lives with her aunt and uncle. Life is normal until one day when her father appears and plans to take Christina away to live with him at a robber baron's castle. Her peaceful life has suddenly turned upside down, but this is only the first of many changes. How will Christina, gentle as a dove, survive in the violent eagle's nest? - Summary by Adele de Pignerolles