Duncan, Dave -- Speak to the Devil

Somewhat hit-and-miss story of a medieval fantasyland in which some people hear voices and can ask them for miracles. The Church is not big with this. The book starts out with the theme that magic costs (see below) but that turns out to be lies-to-children; the theme goes off in a weirder direction that I didn't fully get. Maybe this will get explained in a sequel. Maybe I'll read it.

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