The Berlitz Passport to 31 Languages PC CD-Rom Learning Software is a comprehensive language learning tool that offers courses in 31 different languages. Published by Berlitz and developed by The Learning Company, this software provides interactive lessons and activities to help users learn new languages at their own pace. The CD format allows for easy access to the courses, making it convenient for individuals looking to expand their language skills. Made in the United States, this software is a valuable resource for those interested in language learning and improving their communication abilities.