Historical Accuracy of The Devil in the White City

Critically analyze the historical accuracy of this book in depicting Chicago and American society in the early 1890s.  What does the author get right and wrong in his depiction of Chicago at the time of the World’s Columbian Exposition? Link to the full book online: http://onlinereadfreenovel.com/erik-larson/36011-the_devil_in_the_white_city_murder_magic_and_madness_at_the_fair_that_changed_america.html