The "Complete National Geographic - Every Issue Since 1888 7-Disc PC DVD-ROM Set" by TOPICS Entertainment is a comprehensive history subscription service that spans over a century of National Geographic magazines. With a format of DVD-ROM, this set is compatible with various operating systems including Microsoft Windows XP, Windows 2000, Windows Server 2003, Windows Vista, and Mac. This collection offers a wealth of educational content, making it an invaluable resource for those interested in language, reference, and general knowledge. Made in the United States, this product provides a comprehensive archive of National Geographic's iconic articles and photographs in a convenient digital format.