Expansion Cards
This device is expandable, add new features with expansion cards.
Access a wealth of cultural, historical, and biographical information with the
BOOKMAN® Book Card version of
The Concise Columbia Encyclopedia, Third Edition. Features 13,607 articles that can be searched for by subject, location, time period, article type, or keyword. Includes pronunciation information for certain words,
spell correction, cross-references, and bookmark capability. This card is not compatible with the 1870 platform.