The World of Farland (4th Edition)

From the introduction: The World of Farland is a meticulously mapped and detailed campaign setting designed to be used with the Fourth Edition of the World's most popular Roleplaying game, Dungeons & Dragons®. Farland has a detailed history spanning many millenia, providing a rich, realistic backdrop that many campaign settings lack. Every clue and detail that players discover will lead them to further, nearly limitless aspects of the world, providing an immersive gaming experience.