The Warships of the World at the Turn of the 20th and 21st Centuries . Part 1. Submarines” by Alexandrov and Gusev is a fascinating and informative work that immerses the reader in the world of underwater technologies and the Navy. If you are interested in the history of naval affairs, modern submarines or just want to learn more about how maritime strategy has evolved in recent decades, this book will be a real find for you. The authors, Alexandrov and Gusev, in their work explore in detail the submarines that have become an integral part of the naval forces of the world. They consider not only the technical characteristics and combat capabilities of these vessels, but also their role in global politics and strategy. The book provides information about the different types of submarines, their design features, as well as how they have changed in response to the challenges of the time. This makes the work relevant both for professionals in the field of military affairs, and for a wide range of readers interested in history and technology. Readers who love military stories, technical details and strategy games will find many interesting facts and analytical materials in this book. It will suit both the youth audience and more mature readers who want to expand their knowledge of modern submarines and their importance in world politics. The book will be especially interesting to those who are fond of the history of the fleet, military equipment and strategy, as well as those who just want to understand how the appearance of the submarine fleet has changed in recent decades. The topics raised in the book cover a wide range of issues, from the technical characteristics and combat capabilities of submarines to their impact on international relations and security. The authors emphasize how submarines have become a symbol of power and technological progress, as well as an important tool in the hands of states to protect their interests. The reader will be able to see how the concepts of submarine warfare developed, what new technologies were introduced and how they changed the rules of the game in the sea. The style of the authors is distinguished by thoroughness and attention to detail. They not only provide facts, but also create fascinating narratives that make reading easy and interesting. Alexandrov and Gusev are already known for their work in the field of naval history and technology, and in this book they continue to demonstrate their high level of expertise and passion for the topic. Their previous works are also noteworthy if you want to delve deeper into the history of the Navy and its development. The Warships of the World at the Turn of the 20th and 21st Centuries . Part 1. Submarines is not just a reference book, but a real encyclopedia that will help you understand how submarines have become an important element of military strategy and how they continue to influence the modern world. If you are looking for information about submarines, their history and meaning, then this book will be your reliable source of knowledge. Do not miss the opportunity to immerse yourself in the exciting world of the submarine fleet and discover new horizons in the study of naval history!