For nearly two decades, Lisa Dunseth loved her job at San Francisco's main public library, particularly her final seven years in the rare books department.
But like many librarians, she saw plenty of chaos. Patrons racked by untreated mental illness or high on drugs sometimes spit on library staffers or overdosed in the bathrooms. She remembers a co-worker being punched in the face on his way back from a lunch break. One afternoon in 2017, a man jumped to his death from the library's fifth-floor balcony.
