The book "Milites Christi Древней Руси Воинская культура русского Средневековья в контексте религиозного менталитета" by Alexey V. Znamenskiy is a comprehensive study of the military culture of ancient Russia, specifically during the Middle Ages, and its relationship with religious mentality. The author examines the evolution of military technology and its impact on the development of modern knowledge, highlighting the need to understand this process to ensure the survival of humanity and the unity of people in a world torn apart by conflict. The book begins with an overview of the historical context of ancient Russia, including the political, social, and religious landscape of the time. The author then delves into the specifics of military culture, exploring the various aspects of warfare, such as weaponry, tactics, and strategy, and how these evolved over time. The text also discusses the role of religion in shaping military culture and how it influenced the actions of soldiers and commanders. One of the key themes of the book is the concept of "military feudalism which refers to the relationship between the nobility and their vassals in the context of warfare. The author argues that this system was not just about power and wealth but also about spiritual enlightenment and salvation.

''