3.0

3.5 (maybe 4) stars out of 5
A good read, but tried to tie too many kind-of-related histories into one book.
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While I enjoyed the story and learning more about the fair and H.H. Holmes, I found the book to be all over the place.
Between a story line about Prenderghast, another about the Fair, and still third about Holmes, there was just too much going on, especially since Holmes' murders aren't directly related to the fair (other than his use of his hotel during the Fair season as a potential way of securing new victims), and Prenderghast was not really linked to the fair at all.
I think I would have appreciated the novel far more if it were more focused, either on the Fair or Holmes, rather than attempting to mingle two stories into one narrative.