Caste Book: Eclipse is the fifth Caste Book for Exalted - books detailing the differing castes of the Solar Exalted. Within its pages are all the secrets of the Eclipse Castes, from the perfect and unbreakable oath they can administer to their fragmentary memories of the First Age to the mastery of the social process that they wield. This book also contains the new magical powers, rules and artifacts that Eclipse Caste characters will need to carry out their diplomatic missions.