Eupsychia is a scholarly volume published as a tribute to the historian Hélène Ahrweiler. Edited by M. Balard, the work brings together a collection of essays that explore themes of history and civilization, reflecting the breadth of Ahrweiler’s research interests. Issued by Publications de la Sorbonne, the book appeared in paperback format in 2000, spanning 701 pages and written in French. Though the volume lacks a detailed synopsis, its status as a festschrift indicates that it contains original research presented by colleagues and students, offering insights into medieval and Byzantine studies, cultural exchange, historiography, and related fields. The publication serves both as a commemorative tribute and as a resource for scholars interested in the historical processes that shape societies across time and space.