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 (1980-1): Visual Identification of the 6 Printings
WOG 3rd folio booklet set b-001

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

World of Greyhawk items in our shop

World of Greyhawk at our reference site

WOG 3rd folio folder cover
WOG 3rd folio folder back
WOG 3rd folio folder inside
WOG 3rd folio booklet cover
WOG 3rd folio booklet back
WOG 3rd folio booklet back edit
The Acaeum notes for the Folio’s 3rd printing that Erol Otus & David S. LaForce are now properly credited for their art
WOG 3rd folio booklet detail 1
One of the best parts of earlier TSR releases is that Erol Otus art is everywhere.
WOG 3rd folio booklet detail 2 edit
The Acaeum notes for the Folio’s 3rd printing: “Map symbols are now included on the chart on page 4”
WOG 3rd folio booklet detail 3
Migration routes
WOG 3rd folio booklet detail 4
WOG 3rd folio booklet detail 5
WOG 3rd folio booklet detail 6
This looks like David C. Sutherland to me
WOG 3rd folio booklet detail 7
WOG 3rd folio booklet entire map
Darlene’s giant Greyhawk map has to be one of the Eight Wonders of D&D
WOG 3rd folio booklet map detail 1
WOG 3rd folio booklet map detail 2
WOG 3rd folio booklet map detail 3
WOG 3rd folio booklet map detail 4
WOG 3rd folio booklet map detail 5
WOG 3rd folio set detail-001

See Also: 

Check out our group’s playthrough of Greyhawk module Forgotten Temple of Tharizdun in 7 sessions, beginning with:

THARIZDUN: Session 1 – Brawl at the Entrance of the Black Temple
Which WORLD OF GREYHAWK box set do you have? (Photos of the two versions)
Free City of Greyhawk: Hand-drawn map
TEMPLE OF ELEMENTAL EVIL – Is your T1-4 a 1st printing?
Return to the Tomb of Horrors (1998): A Worthy Sequel