The magic revolves around grammar and language, and there are multiple languages that wizards can master. The REAL kicker comes in the nature of the antagonist. Sure, any other author could be content with demons destroying the world with tooth and claw, but not Charlton. (continue reading)
Nope, his demons threaten to destroy language, both magical and mundane, separating signifier from from signified. Yes, ladies and gentlemen, the threat to civilization is the destructin of semiosis, and therefore all communication. How awesome is that!? That definitely gets filed in the "I wish I had thought of that!" category.