FROBOZZ MAGIC BOOK COMPANY

The Frobozz Magic Book Company was responsible for the publishing of "G.U.E: On Nine Zorkmids a Day: A Traveller's Guide to the Great Underground Empire" by Lester Foozilbarmumboz in 873 GUE; as well as "The Great Underground Empire: A History" by Froboz Mumbar in 896.

SOURCE(S): Zork I (The Great Underground Empire: A History), Zork II (G.U.E. On Nine Zorkmids a Day)