Marie Brennan 
Witch [EPUB ebook] 

Revolution has come to Starfall.To some, Mirei is a savior. Born from the union of opposing forces, her existence offers a way to heal the division between warrior and witch, and brings powerful new magic into the world.To others, Mirei is an abomination. She overturns the ancient traditions of the witches, threatening their stability and corrupting their magic with an influence that should be destroyed.But even Mirei’s power is not enough to prevent a civil war. And while she struggles to reconcile Starfall’s opposing factions, a more insidious threat is building within her — because her newfound magic does not come without a price.