From publisher blurb:
Campaign Backdrops give you, the busy GM, all the tools you need to run a campaign set in a particular wilderness environment. Each instalment brings together—for the first time in one place—previously released material into one handy, GM friendly package. Featuring wilderness dressing, detailed random encounters, fully fleshed out villages and even a place of power all ready for immediate use in your campaign. Campaign Backdrops are the perfect accompaniment to your wilderness campaign.
Campaign Backdrops: Sun & Sand is a compilation product. This GM’s Essential features material previously released in the following books:
20 Things #24: Sunscorched Desert
Wilderness Dressing: Desert
Places of Power: Dreamden
Village Backdrop: Farrav'n
Village Backdrop: Hulw'ma
Village Backdrop: Rifthammer