A prohibition-era crime drama is our pick for October’s Book to Film at the downtown library (610 Quincy Street, upstairs). Friday, October 6, 6:30 – 8:30 p.m., we will screen “Live by Night,” starring Ben Affleck. This tale of a Boston-bred gangster turned bootlegger is based on the New York Times bestselling novel of the same name by Dennis Lehane.

Popcorn and beverages will be served. Rated R.