" Boswell and Thompson write, “Every night the rooms on the two upper floors of the Castle were filled to overflowing. Holmes reluctantly accommodated a few men as paying guests, but catered primarily to women—preferably young and pretty ones of apparent means, whose homes were distant from Chicago and who had no one close to them who might make inquiry if they did not soon return. Many never went home. Many, indeed, never emerged from the castle, having once entered it "

― Erik Larson , The Devil in the White City: Murder, Magic, and Madness at the Fair That Changed America