Dave Arneson's Blackmoor

From publisher blurb:

Over 30 years ago, Dave Arneson created the world that spawned a generation of role playing fans! This core campaign setting is 240 pages and features a full color pull out map of Blackmoor! Features Newly Revised and additional materials from the previous hardback edition!, The First Fantasy Campaign. Thirty years ago, the world's first fantasy campaign began. Now it's back! Enter Dave Arneson's Blackmoor, a brooding world of dragons, dungeons, and danger. After thirty years of development, Blackmoor is ready for your adventures.