Thunder Rebels: Player's Book for Orlanthi Barbarians

From the publisher: This is the book to familiarize players with the day to day life of a Heortling barbarian. It gives new information about their culture, new character generation professions, and almost fifty subcults of Orlanth and Ernalda to join. It also includes myths and maps to help adventure on the Divine Plane, including a map of Orlanth's own divine Storm Realm.