Circleville's Poison Pen delves into one of the most chilling unsolved cases in American history. In 1976, an anonymous writer terrorized the small town of Circleville, Ohio, with letters revealing intimate secrets, accusations, and threats. The mystery deepened after a suspicious death and a rigged booby trap, but even after a man was convicted, the letters continued. Who was the real writer, and why did they target this quiet community? This thrilling book explores the bizarre twists, theories, and psychological tension behind the Circleville Letters, offering a gripping true crime story that will leave readers hooked.