The book "Guide to Byzantine History" by Pavlo Karolides is an important work that explores the period of the Byzantine Empire - one of the most influential political entities in Europe and Byzantium. The book reveals the main events, political and economic processes, as well as cultural manifestations of the Byzantine era. The author describes in detail the key historical moments, considers important aspects of the culture and religion of the empire. This book will become an indispensable source of knowledge for those interested in the history of Byzantium and interested in the study of medieval European history.