First released on October 24th, 2008, the Club Penguin Treasure Book is a secret catalog in Club Penguin that contains several items such as coins and Penguin Plushies. Items found in the Treasure Book are available to all players, however, some items are exclusively found in the catalog.
Club Penguin is a virtual world designed for children between the age of 6 to14 where they can play games, interact with each other and have fun. The Club Penguin Treasure Book is viewable from within Unlock Items Online or the Gift Shop. The items in the Treasure Book can only be obtained using unique item codes found on specially marked Club Penguin Merchandise.