Whispers in the Reading Room (Chicago World's Fair Mystery Series #3)

Just months after the closure of the Chicago World’s Fair, librarian Lydia Bancroft finds herself fascinated by a mysterious dark-haired and dark-eyed patron. He has never given her his name; he actually never speaks to a single person. All she knows about him is that he loves books as much as she does.

Only when he rescues her in the lobby...