A fully searchable and browsable version of the authoritative encyclopedia. It includes short summaries of important topics in art, history, mathematics, philosophy, religion, science, the social sciences, and technology. It also includes thousands of biographies, country and city profiles, and multimedia samples. Many articles include a detailed bibliography with helpful recommendations for further reading. Special features include Merriam-Webster’s Collegiate Dictionary (tenth edition), the Britannica Book of the Year, the Encyclopedia Britannica World Atlas, and timelines of historical events.