Book 1986 Organization of the experiment . Second Order Plans and Optimum Area Research: Learning. Author's Guide to . Yu. Lopatina and B. N. Shumenko is a unique and in-depth study in the field of experimental design that will be useful to both students and practitioners. This manual not only covers the theoretical aspects of the organization of the experiment, but also offers the reader practical tools for applying the knowledge gained in real conditions. The book focuses on second-order plans, which are an important tool in research practice. The authors explain in detail how to properly organize the experiment in order to obtain the most accurate and reliable results. They introduce the reader to the world of statistics and mathematical modeling, focusing on how to interpret data correctly and find optimal solutions. This makes the book particularly relevant to researchers, engineers, and science and technology professionals who seek to improve the efficiency of their experiments. Who can like this tutorial? First of all, it will be interesting for students and graduate students of technical and natural sciences specialties, as well as teachers who are looking for quality materials for their courses . In addition, the book can be useful to practicing scientists and engineers working in the field of applied science, where the application of experimental design methods is required to solve specific problems. Readers interested in statistics, mathematical modeling and process optimization will also find a lot of useful information in this manual. The topics raised in the book cover a wide range of issues related to the organization of the experiment. The authors discuss the importance of choosing the right factors that will influence the results, as well as the need to take into account the different conditions in which the studies are conducted. They emphasize that a competent approach to the organization of the experiment can significantly improve the quality of the data obtained and, as a result, improve the results of research. This is especially important in the modern world, where scientific discoveries and technological advances require a high degree of accuracy and reliability. The style of Lopatin and Shumenko is distinguished by clarity and accessibility of presentation, which allows readers to easily assimilate complex concepts. The authors use many examples and illustrations, which makes the material more clear and understandable. In addition, they actively apply practical tasks that will help readers to consolidate their knowledge and skills. If you are looking for experimental design books that can complement your understanding of statistics and optimization, then "1986 Organization of Experiment" will be an excellent choice. It can be a useful addition to works such as J.'s Experimental Design. K. Lee and "Statistics for Engineers" D. M. Cash register. This book will also be of interest to those looking for tutorials on research methods and statistical analyses. In conclusion, "No. 1986 Organization of the experiment. Second Order Plans and Optimum Area Research: Learning. The manual is not just a book, but a real guide to the world of experimental design. It offers readers not only theoretical knowledge, but also practical skills that will help them in their scientific and professional activities. Do not miss the opportunity to deepen your knowledge and improve your skills in organizing experiments with this wonderful guide!