September's Books on Screen roundup includes the films Practical Magic 2 and Knife: The Attempted Murder of Salman Rushdie in theaters, along with The Love Hypothesis on Prime Video; the series premieres of "A Tale of Two Cities" on MGM+, "Marble Hall Murders" on PBS "Masterpiece," "Neagley" on Prime Video, and "The Final Problem" on Netflix; the season premieres of STARZ's "Outlander: Blood of My Blood," Apple TV's "Slow Horses," and ABC's "R.J. Decker"; the season finales of "Reacher" on Prime Video and "The Walking Dead: Dead City" on AMC; the continuation of Apple TV's "Dark Matter" and USA Network's "Anna Pigeon"; and the DVD/Blu-ray releases of Supergirl, Two Prosecutors and Girls Like Girls.