The book "Aggregation Methods in Project Management" by Barkalov S. A. and other experts in project management is a unique study that immerses the reader in the world of modern approaches to project management This publication will become an indispensable assistant for professionals, students and anyone interested in effective methods of organizing and implementing projects. The book focuses on aggregation techniques a concept that allows you to combine different elements of project management to achieve maximum efficiency. The authors analyze in detail how to properly apply these methods in various fields, from IT to construction, and how they can help in optimizing processes, improving quality and reducing costs. The reader will be able to learn about how aggregation of data and resources can transform the approach to project management, making it more flexible and adaptable to changes. The book will be especially useful for project managers, analysts, students and graduate students studying project management, as well as for anyone seeking to improve their skills in this field. If you work in the field of project management or plan to start your career in this area, this publication will become a real guide for you. It will also be interesting for those who are looking for new ideas and approaches to solve complex problems in their professional activities. The topics raised in the book cover a wide range of issues such as planning, risk assessment, resource management, and team communication. The authors emphasize the importance of integrating different methods and tools, which allows not only to improve results, but also to create a more harmonious working atmosphere. In the face of constant change and uncertainty faced by modern organizations, knowledge of aggregation methods becomes especially relevant. The style of Barkalov and his co-authors is distinguished by clarity and accessibility. They use many practical examples and cases, which allows the reader not only to understand the theory, but also to see how it is applied in practice. This makes the book not only a theoretical manual, but also a practical guide that can be used in everyday work. If you are already familiar with Barkalov’s other works, such as “Project Management: Theory and Practice” or “Modern Methods of Project Management”, then the new book will be a logical continuation of your acquaintance with his work. In it, the authors continue to develop their ideas and offer new solutions that can be useful for both beginners and experienced specialists. In conclusion, “Aggregation Methods in Project Management” is not just a book, but a whole world of opportunities for those who want to improve their skills in project management. It inspires new achievements and helps to find non-standard solutions in difficult situations. If you are looking for a way to increase your efficiency and learn how to work with projects at a new level, this publication should definitely take a place on your shelf. Do not miss the chance to immerse yourself in the world of modern project management methods and discover new horizons in your career!