"The Guernsey Literary and Potato Peel Pie Society" is a historical novel by Mary Ann Shaffer and Annie Barrows. Set in 1946, it follows Juliet Ashton, a London-based writer, who begins exchanging letters with residents of Guernsey, a Channel Island that was occupied by the Germans during World War II. Intrigued by their stories of wartime life and the unique book club formed as a cover for illicit pig roasting, Juliet visits Guernsey. There, she discovers a community scarred by war but bound by resilience, friendship, and the power of books, transforming her life in unexpected ways.