The book “Practice of Operations Research” edited by Mikhail Dmitrievich Afanasyev is a unique manual that opens doors to the world of scientific methods of decision-making and process optimization. This work, created by a team of authors, is aimed at students, graduate students and practitioners who want to deepen their knowledge in the field of research operations and applied mathematics . At the heart of the book is the desire to make complex concepts accessible and understandable. The authors offer readers not only theoretical calculations, but also practical tasks that help to consolidate the knowledge gained. Each section of the book contains tasks, examples and recommendations, which makes it an ideal tool for self-study and practical application. Readers will be able not only to get acquainted with the basics of research operations, but also learn how to apply them in real situations, which is especially valuable for those who work in the field of management, logistics, economics and engineering. The book covers a wide range of topics, including linear programming techniques, game theory, network planning, and more. Each chapter is imbued with examples from real practice, allowing readers to see how theoretical knowledge can be applied in business, manufacturing, and other fields. This makes the Operations Research Practice not only a training manual, but also a reference book for professionals seeking to optimize their processes and make more informed decisions. Who can like this book? It will be especially useful for students of technical and economic specialties, as well as for those who are interested in analytics and project management . If you are looking for a way to improve your skills in data analysis and optimization, then this publication will be a real find for you. It will also be of interest to teachers who will be able to use it as teaching material for their courses. The topics raised in the book are relevant and in demand in today's world, where data-driven decision-making is becoming a key success factor. The authors emphasize the importance of a systematic approach to problem solving, which helps readers develop critical thinking and analytical abilities. The book also addresses issues of ethics in decision-making, making it particularly valuable in light of the contemporary challenges facing business and society at large. Mikhail Dmitrievich Afanasyev is an author with rich experience in the field of applied mathematics and research operations . His work is known in academia, and he is the author of several textbooks and manuals that have been recognized for their accessibility and practical focus. The style of the author is clear and logical, which allows readers to easily assimilate even the most complex concepts. If you are looking for books on optimization, data analysis, or decision-making, Operations Research Practices will be a great addition to your library. It will not only expand your knowledge, but also inspire new ideas and approaches in your professional activities. This book is your reliable companion in the world of research operations, able to help you cope with any challenges that may arise in your path.