The Microsoft ENCARTA Encyclopedia Deluxe 2001 CD-ROM is a comprehensive reference set that provides access to a vast amount of information on a wide range of topics. With its 3 disc set, users can explore a variety of subjects in English language. Designed for Windows operating systems, this product offers an interactive and convenient way to access encyclopedia entries and dictionaries. Developed by Microsoft, this encyclopedia set is a valuable resource for those seeking reliable and diverse information.