Island of Spirits - Scars and Glass Trilogy, #1

A dangerous world of magic. An island at war. A princess who holds the key to peace or destruction. Magic kills on Blackley Island. So when Princess Sirran's older brother, Crown Prince Accolon, is cursed by a powerful enchanter from across the sea, she's faced with an impossible choice. Does she use the terrible spells that are her birthright and risk the lives of everyone she loves or stand aside and watch as her home is conquered by the cruel Witch Queen's army?With time running out to save Blackley Island, Sirran must ally with hidden outcasts and forbidden spirits to prevent the apocalypse that's coming.
Too bad her own people don't trust her. Too bad the enchanter she's up against is so powerful. The odds are stacked from the beginning, but Sirran is stubborn. Let the fight for Blackley Island's future begin ...