Czar and Sultan: The Adventures of a British Lad in the Russo-Turkish War of 1877-1878 (1894)

It all started with Charityas recurring dream. Each time she had the dream, it became more and more detailed. She feels compelled to find the woman made of mist on a lake. When she finally finds the mystery woman, Charity is in shock. Charity discovers she has a twin sister plus two more twin siblings. Charity has been living a lie for the past nine years. Charity, Faith, Hope and Prudence were sent to the Land of Time to grow up so they could defend the Time Knoll from the Shaddock. But their mothers erased their memories. Now Charity has to locate her sisters before the Shaddock destroys the Time Knoll and her sisters.