The Scott Classic Catalogue is simply the best one-volume worldwide stamp catalogue available today. Every year the latest research and discoveries are incorporated into the listings. The 2009 edition of the Classic Catalogue boasts an additional 23 pages due to a number of important editorial enhancements. In Canada, the colorful and popular 1918-34 Semi-Official Air Post stamps have been added and include values for covers and minor varieties. In Puerto Rico, forerunners have been added as Scott A1-A148. These are stamps of Cuba, Spain and Great Britain used in Puerto Rico. Values for stamps on covers have been added for eight additional countries this year. Included for the first time are Grand Comoro Scott 1-29, Mayotte complete, Moheli complete, Oltre Giuba complete, Saudi Arabia (values for 31 different stamps on covers), Ubangi-Shari complete, Upper Senegal and Niger complete, and Wallis and Futuna Islands complete. Currency fluctuations resulted in a record number 26,462 value changes. New major numbers have been added in Afghanistan, Queensland, Rhodesia and Tasmania. Collectors of first century philatelic material will find a wealth of information in this handsome, hardbound leatherette volume.