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In the universe of The Dresden Files , a series of fantasy / mystery novels written by Jim Butcher , each magical species ( human wizards , faeries , vampires , etc. ) has its own political and societal rules , and organizations .
 Jim Butcher
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jim Butcher