Celebrated L.A. crime novelist James Ellroy will be talking about his new book, "Perfidia," at the main branch of the L.A. Public Library on Tuesday, Sept. 9. Wait list tickets are all that are left, and admission is free. He'll be signing "Perfidia," but only copies you buy from the library -- proceeds help support its cultural programs. The event takes place at the Los Angeles Central Library's Mark Taper Auditorium, 630 W. Fifth Street. Wait list admissions will be handed out starting at 7 p.m. Get there early.