One nice thing about this book is that is reverses the relation between "magic stuff" and "normal stuff". [Worldbuilding Spoiler Alert] In Unsong the world is

One nice thing about this book is that is reverses the relation between "magic stuff" and "normal stuff". [Worldbuilding Spoiler Alert] In Unsong the world is purely magic to begin with, sustained purely by the divine light until the Archangel Uriel converts all the divine light into science and mathematic to stop the war between hell and heaven.