The Generalized Method of Least Squares . Theory and application in astrometry”, written by a team of authors, is a deep and fascinating study that combines both theoretical aspects and practical applications of one of the most powerful statistical methods in astronomy. This work will be a real find for students, graduate students and professionals in the field of astrometry, statistics and related disciplines seeking to expand their knowledge and skills. The book focuses on the generalized method of least squares (OMNK), a method that allows you to effectively process and analyze data obtained during astronomical observations. The authors explain in detail how this method can be used to solve various problems related to the measurement and analysis of astronomical objects. The reader will be able to learn about how OMNK helps in correcting errors that occur in the observation process, and how it contributes to more accurate and reliable results. The book will be of interest not only to specialists in the field of astronomy, but also to those who are engaged in data processing in other scientific fields. Students who study physics, mathematics or statistics will find useful materials for their research in it. It will also be useful to practicing astronomers and researchers who seek to improve their skills in data processing and the application of statistical methods. The topics covered in the book cover a wide range of issues, ranging from the foundations of the theory of least squares to complex methods of processing astronomical data. The authors emphasize the importance of accuracy and reliability of data in astronomy, which makes this work especially relevant in light of the modern challenges faced by astronomers. The book raises questions regarding the processing of large amounts of data, which is an integral part of modern astronomical research. The writing style of the authors is clear and accessible, which allows the reader to easily assimilate complex concepts and apply them in practice. The book is filled with examples and illustrations that help to better understand the material and see its application in real conditions. The team of authors consists of experienced specialists who have significant experience in the field of astrometry and statistics, which gives the work additional value. In addition, the book "The generalized method of least squares . Theory and application in astrometry" can serve as an excellent addition to other well-known works in the field of astronomy and statistics. Readers interested in topics such as data processing, astronomical observations, and statistical methods may also pay attention to the work of authors such as John D. Cook, Christopher B. Kerr and others who also explore the intersection of astronomy and statistics. If you are looking for a book that will not only expand your knowledge of data processing techniques, but also inspire you to new research in astronomy, then the Generalized Least Squares Method. Theory and application in astrometry" will be a real find for you. This work will not only deepen your understanding of statistical methods, but will also open new horizons in the study of astronomical phenomena. Do not miss the opportunity to immerse yourself in the world of astronomy and statistics with this fascinating and informative book!