This book is a complete revision and thorough updating of the ultimate reference from the newspaper of record. Whether you are researching the history of Western art, investigating an obscure medical test, following current environmental trends, studying Shakespeare, brushing up on your crossword and Sudoku skills, or simply looking for a deeper understanding of the world, this book is for you. An indispensable resource for every home, office, dorm room, and library, this new edition of The New York Times Guide to Essential Knowledge offers in-depth explorations of art, astronomy, biology, business, economics, the environment, film, geography, history, the Internet, literature, mathematics, music, mythology, philosophy, photography, sports, theater, film, and many other subjects. This one volume is designed to offer more information than any other book on the most important subjects, as well as provide easy-to-access data critical to everyday life. It is the only universal reference book to include authoritative and engaging essays from New York Times experts in almost every field of endeavor. - Publisher.