Book and . D. Belyaev's "On the Russian Army in the reign of Mikhail Feodorovitch and after it, before the transformations made by Peter the Great" is a fascinating and profound study that immerses the reader in the world of Russian military affairs of the 17th century. The author, known for his historical works, masterfully combines facts and analysis, creating a vivid picture of the military life of Russia at a time when the country was on the verge of significant changes. The book focuses on the formation and development of the Russian army in the era of Mikhail Feodorovich, the first king of the Romanov dynasty. This period became a landmark for Russia, when the country sought its identity and strengthened state institutions. Belyaev examines in detail not only the structure of the army, but also its role in the political and social processes of the time. The reader will learn about how tactics and strategies changed, what wars and clashes determined the fate of the country, as well as how internal and external factors influenced military affairs. The book will be of interest to both historians and history lovers, as well as to anyone who wants to understand more deeply how the Russian army was formed and what traditions were laid during this period. Students, teachers and lovers of historical novels will find in it a lot of useful information and fascinating facts. The age category of readers is not limited, since the book is written in accessible language and contains many illustrations and maps that help to better absorb the material. The themes raised in the book are diverse and multi-faceted. Belyaev touches upon the issues of military organization, personnel policy, as well as the interaction of the army with other state structures. He analyzes the influence of foreign mercenaries and technologies on the development of the Russian army, which allows the reader to see how external factors shaped the domestic policy of the country. In addition, the author pays attention to cultural aspects - how military affairs reflected the spirit of the time and how it affected society as a whole. Style and . D. Belyaev is distinguished by thoroughness and attention to detail .. His work is full of documentary evidence and historical sources, which gives them special value. Reading this book, you not only plunge into the historical era, but also feel as if you yourself become part of those events. Belyaev is also known for his other works, such as "History of Russia in the XVII century", which are also noteworthy and can complement your understanding of this complex and interesting era. The book “On the Russian army in the reign of Mikhail Feodorovitch and after it, before the transformations made by Peter the Great” is not just a historical study, but a real find for those who want to understand how the Russian army was formed and how it influenced the fate of the country. It will be an excellent addition to the library of any history connoisseur, as well as a subject for discussion at seminars and conferences. Do not miss the opportunity to touch the rich history of Russia and learn more about how military affairs determined its path to modernity.