Dungeons & Dragons: Eberron Five Nations 3.5 HC D20 is a hardcover player's handbook for the 3.5 edition of the popular role-playing game. Published by Wizards of the Coast in 2005, it focuses on the world of Eberron and the five nations that make up its core. It includes rules, lore, and character options specific to this setting, making it a valuable resource for players and dungeon masters alike. The book is part of the Dungeons & Dragons 3.5 edition and is centered around the Dungeons & Dragons franchise.