The PEN Open Book Award is an annual literary prize presented by PEN America to honor exceptional books that feature diverse voices and perspectives. Established in 2018, the award recognizes works of fiction, nonfiction, and poetry that have been published in the previous year. The award aims to promote the importance of free expression and the power of literature to foster understanding among different cultures. Winning authors receive a monetary prize and recognition for their contributions to the literary landscape, encouraging readers to explore a wider range of narratives and experiences.