A book in French, in A4 format, describing the Federation of Autonomous Republics of Barelia. This federation is the geographic base from which the rules of the game "the World of Barelia" were created. This book gives you geographic maps on the locations of the various federated peoples, on the types of climates and landscapes of this country, on the cities and villages, the mythical sites and the places playing an important role in the life of this country. You will also find there descriptions of the various federated peoples and their cities, of their social, political and military organization. A book of more than one hundred pages in the process of writing (publication at the end of 2020).