Amazon.com description: Product Description: This expanded 2nd edition is the definitive guide to marble collecting, with over 1,400 color photographs identifying marbles. It features the main areas of interest on makers and manufacturers of marbles made of stone, minerals, and early hand- and machine-made glass. It covers many games, toys, and other uses for marbles; and includes a useful glossary, listing of clubs, societies, marble shows, and museums. All the winners of the U.S. National Marble Tournaments are listed. The value of each of the marbles is suggested for general reference.