The Guernsey Literary and Potato Peel Pie Society is a 2018 historical romantic-drama film directed by Mike Newell and written by Don Roos and Tom Bezucha. The screenplay is based on the 2008 novel of the same name, written by Mary Ann Shaffer and Annie Barrows. The film stars Lily James, Michiel Huisman, Glen Powell, Jessica Brown Findlay, Katherine Parkinson, Matthew Goode, Tom Courtenay and Penelope Wilton. Set in 1946, the plot follows a London-based writer who exchanges letters with a resident on the island of Guernsey, which had been under German occupation during World War II.