Check the listing for details. World Book 1998 Multimedia Encyclopedia CD-ROM Deluxe Edition IBM. Condition: Very Good. Listed at 6.99 USD. This comprehensive reference tool provides a vast array of educational content, leveraging cutting-edge technology from IBM. The visible CD-KEY is A01006636001. It represents a significant digital reference product from the late 1990s, perfect for collectors or those seeking a nostalgic or historical software experience.