“The Legend of Sleepy Hollow,” by famed author Washington Irving, is widely considered to be the first “ghost” story in the then young country’s history. The tale of a headless horseman in a quiet, unassuming New York town, often resurfaces every year around the time of Halloween.  But Irving didn’t invent the idea of a headless rider, nor did he base the story entirely on fiction.  Find out more about the American classic, in this episode of The Missing Chapter.