The book "Old Slavic language", created by a team of authors, is a unique and in-depth study of one of the most significant languages of Slavic culture. This work not only illuminates the lexical and grammatical features of the Old Slavic language, but also immerses the reader in the rich history and culture of the Slavic peoples, which makes it a real storehouse of knowledge for all who are interested in linguistics, history and cultural heritage. The Old Slavonic language, which arose in the 9th century, became the basis for many modern Slavic languages. The book examines in detail its roots, development and influence on the language system of the East Slavic peoples. The reader will be able to learn about how the Old Slavonic language was used in religious literature, how it influenced the formation of literary traditions and how its elements have been preserved in modern languages. This makes the book especially interesting for students of philological faculties, teachers, as well as for everyone who is fond of the history of the language and culture of the Slavic peoples. The book will be useful not only to specialists, but also to a wide range of readers interested in history and culture. It will be an excellent addition to the library of those who study Slavic languages, as well as for lovers of historical novels and cultural studies. If you are looking for information about the Old Slavic language, its grammar, vocabulary or history, then this publication will become an indispensable source for you. The topics raised in the book cover not only the lexical and grammatical aspects, but also the cultural, religious and historical contexts in which the Old Slavic language developed. The authors raise important questions about how language shapes the thinking and culture of the people, how it reflects the worldview and values of society. These reflections make the book relevant and important for understanding not only the language, but also the essence of Slavic identity. The style of the authors is distinguished by scientific rigor, but at the same time the accessibility and fun of the presentation . They skillfully combine theoretical aspects with practical examples, which allows the reader to easily assimilate the material. In addition, in the book you can find many illustrations, tables and diagrams that make learning a language more visual and interesting. The team of authors working on this book consists of well-known linguists and historians who have already established themselves in scientific circles. Their previous works are also devoted to the study of Slavic languages and cultures, which adds additional value and credibility to this publication. If you are interested in books such as “Slavic languages: history and modernity” or “Language policy in Slavic countries”, then “Old Slavic language” will be a logical continuation for you to study this topic. In conclusion, "Old Slavic language" is not just a textbook, but a real encyclopedia of knowledge about the language, which became the basis for the whole language family. This book is sure to find its reader among students, teachers, researchers and anyone who wants a deeper understanding of the history and culture of the Slavic peoples. Immersion in the world of Old Slavic language will open up new horizons for you and allow you to see how language can be a link between the past and the present.