Compton's Encyclopedia and Fact-Index is a home and school encyclopedia

Encyclopedia

An encyclopedia is a type of reference work, a compendium holding a summary of information from either all branches of knowledge or a particular branch of knowledge....

 first published in 1922 as "Compton's Pictured Encyclopedia". The word "Pictured" was removed from the title with the 1968 edition. The encyclopedia is now advertised as Compton's by Britannica.

Compton's Multimedia Encyclopedia CD-ROM

CD-ROM

A CD-ROM is a pre-pressed compact disc that contains data accessible to, but not writable by, a computer for data storage and music playback. The 1985 “Yellow Book” standard developed by Sony and Philips adapted the format to hold any form of binary data....

 (1989) was the first "multimedia

Multimedia

Multimedia is media and content that uses a combination of different content forms. The term can be used as a noun or as an adjective describing a medium as having multiple content forms. The term is used in contrast to media which use only rudimentary computer display such as text-only, or...

" CD-ROM encyclopedia. Grolier

Grolier

Grolier was one of the largest U.S. publishers of general encyclopedias, including The Book of Knowledge , The New Book of Knowledge , The New Book of Popular Science , Encyclopedia Americana , Academic American Encyclopedia , and numerous incarnations of The Electronic Encyclopedia .Grolier was an...

's earlier CD-ROM encyclopedia was not multimedia.

The encyclopedia was founded by Frank E. Compton

F. E. Compton

Frank Elbert Compton was a publisher of encyclopedias and other reference works, most notably Compton's Pictured Encyclopedia from 1922, later named Compton's Encyclopedia....

 in 1922.