Popsugar Entertainment Best Of 2021 Books Becoming Films in 2021 31 Book-to-Film Adaptations Scheduled to Hit Cinemas in 2021 13 November 2020 by Sabienna Bowman View On One Page Photo 12 of 31 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 12 The Nightingale by Kristin Hannah What it's about: As World War II begins, the lives of two sisters take divergent paths. Who's starring: Elle Fanning and Dakota Fanning Read The Nightingale. Release date: 26th Dec. Previous Next Start Slideshow Best Of 2021Books To MoviesMoviesBooks