Poisoned Fate — Laura Greenwood

Not all evil comes from a bad place... After making a promise to a dying king, Katya changed herself into the person she needed to be to forge a hero. With her best friend raising an army against her, and the people ready to rebel, she has the pieces where she needs them to be. If only she can bring herself to complete the puzzle and force a princess to become the person she needs to be. - Poisoned Fate is part of the Untold Tales series of fantasy retold fairy tales and focuses on Snow White's Evil Queen.