Kerri Maniscalco's "Kingdom of the Wicked" is a dark, romantic YA fantasy novel about enemies who become lovers. The story follows Emilia, a Sicilian witch seeking revenge for the murder of her twin sister, Vittoria. She allies with Wrath, one of the Seven Princes of Hell, whom she suspects of involvement in the murder. As she explores the world of demons and witches, she also begins to fall in love with the prince.