"The ten reference works that are on this disc:

 * The American Heritage Dictionary of the English Language, Third
   Edition
 * The Microsoft Bookshelf Internet Directory 98
 * The People's Chronology
 * The Columbia Dictionary of Quotations
 * The World Almanac and Book of Facts 1997
 * The Original Roget's Thesaurus of English Words and Phrases
 * The Encarta 98 Desk World Atlas
 * The Encarta 98 Desk Encyclopedia
 * The National Five-Digit Zip Code and Postal Office Directory
 * The Microsoft Bookshelf Computer and Internet Dictionary."

Read the full description at [Amazon.com][1]

The CD-ROM also contains Microsoft Internet Explorer 3.01 Full
Installer.

[Microsoft Bookshelf 98: Reference library [Unknown Binding]][1] (Windows version only)

Compatibility
Architecture: 68k PPC

System requirements:

 * PowerMac or 68030/25 MHz
 * 256 colors with 640x480 or larger
 * Mac OS 7.1 to 9.2.2
 * 8 MB of RAM (12 MB of RAM recommended for Mac OS 7.5+)
 * 2x (or faster) CD-ROM drive

Can run directly from CD-ROM.

  [1]: http://www.amazon.com/Microsoft-Bookshelf-98-Reference-library/dp/1572316195/ref=sr_1_62?ie=UTF8&qid=1361431810&sr=8-62&keywords=microsoft+bookshelf