In "Knots Untied; Or, Ways and Byways in the Hidden Life of American Detectives," George S. McWatters delves into the intriguing and often clandestine world of American detectives in the late 19th century. Written with a vivid narrative style that blends riveting accounts with keen insights, the book serves as both an exposé and a tribute to the complexities of detective work during a time when t...