The De Gruyter Handbook of Citizens’ Assemblies showcases the state of the art around the study of CAs and opens novel perspectives informed by multidisciplinary research and renewed thinking about deliberative participatory processes. It discusses the latest theoretical, empirical, and methodological scientific developments on CAs and offers a unique resource for scholars, decision-makers, practitioners, and curious citizens to better understand the qualities, purposes, promises but also pitfalls of CAs.