James Patterson 
Witch & Wizard: The Fire 

Whit and Wisty Allgood have sacrificed everything to lead the Resistance against the evil regime that governs their world. And now its supreme leader, The One Who Is The One, has executed the only family they had left.
Wisty knows that the time has finally come for her to face The One. But her magic and her fire only channel more power to this already formidable being. How can she and Whit possibly defeat the ruthless villain who devastated their world – before he can become truly all-powerful?
In this amazing third instalment of the epic Witch & Wizard series, the stakes have never been higher – and the consequences will change everything.