"The New Thinking Fan's Guide to Baseball" by Leonard Koppett is a comprehensive sports and recreation book that delves into the world of baseball in a trade paperback format. Published in 1991 by Simon & Schuster, this guide covers a range of topics related to baseball, making it a valuable resource for fans and enthusiasts. With 368 pages, this hardcover book provides a detailed exploration of the sport, including insights and analysis from the respected author.