Joel HoltzmanDiscover games that Joel Holtzman contributed to. Games listed on Pampa: 5.Games that Joel Holtzman contributed toDune : Adventures in the Imperium - Desert Planet Adventure Compendium Volume 1Planebreaker - Planar Character Options for 5EGuide Ultime de l'Alchimie, l'Artisanat et l'EnchantementDune: Adventures in the Imperium - Core RulebookDark Ages : Heritage of Charlemagne