Dungeons & Dragons Demonomicon

"Demononimcon presents the definitive treatise on demons and their masters, the demon lords. Whether you're looking to introduce demons into your D&D campaign or plunge your heroes into the heart of the Abyss, this book has something for you! More than just a maelstrom of chaos and corruption, the Abyss is an exciting D&D adventure locale for paragon- and epic-level heroes. This tome brings demons into the world of D&D, updates classic demons to 4th Edition, provides statistics for demon lords, and introduces horrors from the abyssal depths."