The product is a hardcover book titled "German Motorcycles Road and Racing Bikes" by Mick Walker, published in 1989. The book focuses on the world of motor sport, specifically covering German superbikes. It provides detailed information and insights into the world of high-performance motorcycle racing, making it a valuable resource for enthusiasts and enthusiasts of the sport. The book is not autographed, but it offers a comprehensive look at the exciting world of German motorcycles in both road and racing contexts.