Mage of the Black Hole: Book 3 of the Nanosia Fantasy Series

What would the world be like if nobody died?

In this young adult fantasy novel,  Peanut, from Fire Master, is sure his use of magic is causing people to die, so he vows to never use magic again. But he loves to practice magic with his uncle Pyck and is glad to help the queen's physician in a mysterious plot to destroy death. Now he can practice magic without worrying—or so he thinks.