"Book Volume 10 (16th century, literature of the "state system")" is a research work that studies an important period of Ukrainian literature in the 16th century. The author of the book analyzes the work of outstanding writers of this time, their influence on the formation of concepts of the state system and political opinions. This book covers in detail the works of writers such as Ivan Vyshenskyi, Vasyl Tymofiyovych, Petro Mohyla and others. The author analyzes their ideas regarding the formation of the state, government and social system, revealing their importance for the development of Ukrainian political thought. This book is an indispensable source for understanding the history and culture of the Ukrainian people in the 16th century, as well as an important contribution to the study of the development of Ukrainian literature and the history of the state system.