The lesser known older brother of the World of Greyhawk box set is the Folio edition. This nice 3rd print came through the shop and demanded a photoshoot.
For a rundown of the printings:
World of Greyhawk, folio edition
1980-1981 … Gary Gygax & Allen Hammack (editor); David C. Sutherland, Erol Otus, David S. LaForce (art); Darlene Pekul (maps) … TSR 9025 … ISBN 0935696237
Check out our group’s playthrough of Greyhawk module Forgotten Temple of Tharizdun in 7 sessions, beginning with: