The book provides experts and beginning collectors alike a definitive guide to authentication of Baseball Hall of Fame autographs. Richly illustrated with examples of genuine and forged signatures, the studies provide examples across the players" lives. For example, the Ty Cobb study includes 11 different signatures from various periods of Cobb"s life. The section on known forgeries gives detailed descriptions of common and well known forgeries. The level of detail is such that a collector will be able to compare signatures in their collection to the description in the book and determine if they own a forgery. No previous book has ever remotely approached the level of detail to be found in this book.