The fiery Philadelphia novelist and social reformer George Lippard was a respected friend of Poe, the founder of a nationwide labor organization, and a prolific author whose lurid expos The Monks of Monk Hall (l845) was the most popular novel written by an American before the appearance of Stowe's Uncle Tom's Cabin. Lippard's writings, long neglected, are valuable documents of America's literary history, radical thought, and popular culture. The...