Guinness World Records 2011 continues to build on the intriguing, informative, inspiring and instructional records and superlatives that have made Guinness World Records one of the most famous brands and an annual best-seller around the world. Over 110 million copies have sold since the first edition was published in 1955. Nearly 4 million copies are sold every year in more than 100 countries and in 25 languages. Market research has indicated that Guinness World Records is one of the strongest brands in the world, with prompted brand recognition of 98.2% in the English language territories.