The Duchess's Daughters

Ella, one of the many royal daughters of the Duchess, turns sixteen and is sent to a fancy Victorian finishing school for young ladies, to be finished as a mature, dignified woman and then to be married off against her will. But Ella wants to find her sisters she's never met, and help her mother, the Duchess, escape from her wicked husband, who demands a male offspring to carry on his name. But the Duchess has produced nothing but females, and Ella is one of them, and different, she is the chosen one to carry the burden of something bigger, more powerful, and more important than she could ever imagine or ask for...