Fans of Christopher Moore may be shocked by this book. Exclamations of “Sacré bleu!” followed by monocles popping out from eyes and spilled cups of tea are probably going to be the norm. For, you see, I enjoyed this book thoroughly. It was an excellent supernatural mystery set in Paris and involving great artists and their muses. But it is not very funny, or at least, it doesn’t have the same, non-stop humorous dialogue and…