[quote=@Reanimator Bob]
I like the idea.  Just understand that this is still the modern world in its current state.  So things like magical grimoires would not really be a very easily uncovered thing, and most would disregard it as phony and medieval superstition, and that their powers derive from their contractor, and as such their powers would likely reflect the God they serve    
[/quote]

There are places throughout the world that have museums with real grimoires, and some people actually use them. For example, the Raudskinna still exists.