Green Gryphon has around 12 pages on the local area, fauna and flora, 13 pages on the town, 10 pages on people and groups and 30 pages on adventures. There are 9 adventures, listed as being from levels 1-2 to start up to 4-6, and 8 briefer adventure ideas. The rest is stuff like charts, stats, area maps, index, contents etc. Although it's set in Jaiman in the Shadow World, it could be dropped into most settings with a bit of tweaking. I haven't actually run/played the adventures myself. Thinking about it, the Land of Xa-ar is also similar, but perhaps higher levelled.
The Guild Adventurers are pure adventure collections really, without as much background info, although there is some. They do cover a range from generic Rolemaster to Spacemaster to HARP to Shadow World.