The product described is a 2014 sports book titled "Who's Who In Baseball" featuring notable players such as Clayton Kershaw and Andrew McCutchen, celebrating the 99th year of the publication. Focused on baseball, this book falls under the category of antiquarian and collectible items, making it a valuable addition for fans and collectors of sports memorabilia. It provides in-depth profiles and insights into the players featured, making it a must-have for any baseball enthusiast looking to expand their knowledge and collection of sports literature.