Look no further - the world's biggest Encyclopedia for mobile devices. Over 1.5 million articles, 100 times as many articles as in Concise Encyclopedia Britannica. Product Features: Over 1.5 million articles carefully checked for accuracy and completeness by a team of experts. Hundred times as many articles as in Concise Encyclopedia Britannica. Fifteen times as many articles as in the 17 volume paper edition of Encyclopedia Britannica. The Encyclopedia is based on Wikipedia, the largest collection of reference work in the history of human knowledge. To keep the file size manageable we have only included the abstracts from each article.