The book "Dynamics of development of language ability and speech competence of native speakers of the Russian language: Regional experimental research" is a unique study that immerses the reader in the subtleties and nuances of the development of language ability and speech competence in native speakers of the Russian language. The team of authors, who have combined their efforts to create this work, offers readers an in-depth analysis based on regional experiments, which makes the book especially valuable for linguists, educators and anyone interested in the development of language in the context of modern society. The book focuses on the question of how various factors - social, cultural and educational - affect the development of speech skills in native speakers of the Russian language. The authors investigate how language abilities change depending on the region, level of education, and other variables. This allows not only to identify general trends, but also to understand how local features can affect speech practice. The reader will be able to see how the language lives and develops in different parts of Russia, which makes the book relevant not only for specialists, but also for a wide audience. The book will be of interest to both students and graduate students studying linguistics and pedagogical sciences, as well as teachers who seek to improve their teaching methods. It can also attract the attention of researchers working in the field of sociolinguistics and psycholinguistics, as well as anyone interested in issues of language policy and cultural identity. It raises important topics, such as the impact of migration on the language environment, the role of education in the formation of language competence and the interaction of language with cultural traditions. The style of the authors is distinguished by scientific rigor and at the same time the availability of presentation . They skillfully combine theoretical aspects with practical examples, which allows the reader not only to understand, but also to visualize the concepts studied. This makes the book not only a useful guide, but also a fascinating read for anyone who wants to get a deeper understanding of how language functions in real life. One of the significant advantages of this publication is its interdisciplinary approach .. The authors use data from different fields of knowledge - from sociology to psychology - which allows creating a holistic picture of language development. This makes the book especially valuable in the context of globalization, when linguistic identity is becoming an increasingly relevant topic for discussion. “Dynamics of the development of language ability and speech competence of Russian speakers” is not just a scientific study, but a real find for everyone who seeks to understand how language shapes our perception of the world and how it changes under the influence of various factors. This book will be an indispensable resource for anyone who is interested in language as a living, evolving phenomenon, and wants to learn more about its role in society. If you are looking for books on sociolinguistics, language studies or pedagogy, this edition will be a great addition to your library. It will not only enrich your knowledge, but also inspire new research and reflection on the language we use every day.