Amazon.com description: Product Description: The undisputed champion of collectible vinyl is thoroughly covered in this updated and expanded edition of the most comprehensive reference on 45 RPM records on the market. Collectors and music enthusiasts of all ages will find details about more than 75,000 American records, picture sleeves and extended play singles in Goldmine[trademark] Price Guide to 45 RPM Records. Collecting enthusiasts get easy-to-follow listings, organized alphabetically by artist and priced in three grades of condition, for 45s from 1949 to the present, plus a 16-page colour photo section featuring hard-to-find records and picture sleeves. In addition, a checklist format offers collectors a ready-made system for determining value and maintaining inventory, in this entertaining and informative resource.