Recalescent: The Elysian Chronicles #1

In the present day, lives Katherine Edwards, a sarcastic spiritual red headed girl. After a long battle with him, she finally decides to let Louis Kingston be her friend, but what she doesn't know, is that Louis and his family are time travelers. For years, it has been his family's mission to find the King and Queen's daughter, and they know in their hearts that Katherine is her.
Katherine has powers, the power of fire. As a baby, she was in grave danger if anyone ever knew, they would accuse her of witch craft. That is why she was sent to the future, by Louis's parents. Katherine is all grown up now, unaware of her abilities, and it's Louis's job to get her back home to her rightful place, the throne; far in the future of Scotland, she feels a connection. This is where she is meant to rule, her kingdom, her throne, her people, her destiny.

(Sorry if the summary is bad! I am really bad at summing up a book, especially when it isn't even complete yet.)