The first of four D&D supplements from Judges Guild that detail their campaign world. Detailed wilderness maps are supplied along with details on ruins, relics, towns, treasures, caves, lairs, islands, castles, streams, burrows, prospecting, hirelings, economics, and so on. Consists of two 16-page booklets (one 32-page booklet in later printings) and six double-sided 17" x 22" maps (3 for the judge, 3 for the players): • Issue N, Guidelines Booklet • Issue O, Guidelines Booklet - or - • Issues N and O Guidelines Booklet - and - • Campaign Map 1: City State of the Invincible Overlord • Campaign Map 2: Barbarian Atlantis • Campaign Map 3: Valley of the Ancients • Campaign Map 4: Tarantis • Campaign Map 5: Valon