The Wayfinder's Guide to Eberron is a sourcebook for the Dungeons & Dragons role-playing game, focusing on the unique setting of Eberron. It provides players and Dungeon Masters with essential information about the world, including its history, cultures, and notable locations. The guide also introduces new character options, such as races and subclasses, tailored to the Eberron setting. Additionally, the guide features details on the magical technology known as artifice, the significance of the Last War, and the various factions that inhabit the world. This resource aims to enhance gameplay by immersing players in the rich lore and vibrant landscapes of Eberron.