The Ascendance Trilogy is the book series, written by Jennifer A. Nielsen, containing the three books: The False Prince, The Runaway Prince and The Shadow Throne, which will be released on February 24th.
Jennifer A. Nielsen lives in Utha with her husband, three children and a dog. She also wrote th Underworld Chronicles.
The main character of the series is Sage (Jaron) who is an orphan in the beggining of the book one but later on is revealed to be Prince Jaron, who was thought to be dead. In book two he is atacked only a few weeks after being crowned and finds he needs to leave his kingdom once again, to keep it safe. The book three in the series is not yet released, but so far it is known it is called The Shadow Throne.