Eight top fantasy books about the end of magic

At the B&N Sci-Fi & Fantasy Blog Jeff Somers tagged eight books that "assert that magic was real, but has faded or been destroyed," including:The Magic Goes Away, by Larry Niven

The stories in this collection pivot on a simple but effective idea, straight out of a role playing video game: magic is fueled by a very real and very finite resource, known as mana. As magical spells are cast, mana is