Britannica Concise Encyclopedia offers more than 25,000 entries prepared by the editors of Encyclopedia Britannica. The encyclopedia provides quick answers to everyday questions about history, science, business, politics, people, literature and the arts, popular culture, geography, and much more. The new edition of the Concise Oxford Thesaurus provides comprehensive, reliable assistance for letter writing, business writing, studying, creative writing, or solving crosswords. Included are more than 400 lists with additional information on a wide range of subjects. More than 333,000 alternative words along with over 4,000,000 synonyms links cover everyday vocabulary, as well as more unusual and specialist words. The new edition of the world-famous Concise Oxford English Dictionary provides description of the English language. It contains over 240,000 words, phrases, and definitions, including 1,700 new words. The dictionary offers rich vocabulary coverage, with full treatment of World English, rare, historical, and archaic terms, and scientific and technical vocabulary, as well as providing hundreds of helpful notes on grammar and usage. Oxford Concise Dictionary of Quotations maintains its extensive coverage of literary and historical quotations. It contains over 9,000 quotations from more than 2,500 authors, and with both author names and quotations keywords searchable, offers the best possible access to this rich and fascinating material. Spellchecker: 130,000 word phonetic spellchecker. Crossword solvers: 7 indispensable solvers to help you with crosswords, anagrams, abbreviations, letter changes, finding phrases, searching definitions, and encyclopedia searches. 11 great vocabulary-building word games to challenge your command of the English language. Calculator and Converters: A full function calculator with Memory and % commands is included, together with over 190 invaluable metric/imperial & currency converters. 2 AAA batteries included.