Bathing and banking, animals and adultery: human culture contains a truly daunting array of elements. The fourth volume of the NEW WORLDS series takes readers on a tour of all-new topics, delving into everything from childbirth to dream interpretation to the importance of generosity, as award-winning fantasy author and former anthropologist Marie Brennan continues her in-depth exploration of worldbuilding in science fiction and fantasy.This volume collects essays from the fourth year of the New Worlds Patreon.