HAS  A SPOT  ON BACK OF THE BOTTOM OF  THE BOOK SHOWN IN PHOTO.The product is a book specifically tailored for Ford truck enthusiasts looking to modify their vehicles for optimal performance on the street, strip, or off-road. With a focus on Ford trucks, this manual provides valuable insights and tips for enhancing the performance of these vehicles. Whether you're looking to upgrade your truck for street racing or off-road adventures, this book serves as a comprehensive resource for Ford truck owners looking to enhance their vehicles to their fullest potential.