The product is a new hardback book titled "Rio Grande's Narrow Gauge K-36 Locomotives" by Jerry B Day. Published in 2023 in the United States, this book likely delves into the history and details of the Rio Grande's Narrow Gauge K-36 locomotives. With a focus on railroadiana and trains, this collectible item is sure to appeal to enthusiasts and collectors interested in transportation history. Winning bidder to pay for freight.