The book "Reducing transaction costs in construction by optimizing the information space" by Asaul A. N. and Ivanova S. N. is a unique study that highlights important aspects of cost management in the construction industry. In the context of constant changes in the market , where competition is becoming increasingly fierce, Project quality and time requirements are increasing, This book is a great guide for professionals , striving to optimize processes and improve the efficiency of their work. The authors, with extensive experience in the field of construction and project management, offer readers an in-depth analysis of transaction costs - those hidden costs that arise in the process of interaction of participants in the construction process. They explore how optimizing the information space can significantly reduce these costs, which in turn leads to an increase in the overall competitiveness of companies. The book is rich in practical examples and case studies, which makes it especially useful for professionals working in the construction sector, as well as for students and teachers studying economics and project management. This work will be of interest to a wide range of readers: from students of technical and economic universities to practitioners in the field of construction, architecture and design. If you want to learn how modern technologies and approaches can change traditional methods of working in construction, this book will be a real discovery for you. It will also be useful for managers and project managers seeking to optimize processes and reduce costs, as well as investors interested in the effectiveness of investments in construction projects. The topics raised in the book cover a wide range of issues: from the theoretical foundations of transaction costs to practical recommendations for the introduction of information technology in the construction process. The authors emphasize the importance of creating a single information space that will allow all project participants to work more coherently and efficiently. They look at a variety of tools and technologies that can help with this, including project management systems, BIM technologies, and other innovative solutions. The style of the authors is distinguished by clarity and accessibility of presentation, which makes complex concepts understandable even for readers who do not have deep knowledge in the field of economics. Asaul A. N. and Ivanov S. N. - these are not only theorists, but also practitioners, which allows them to share with readers not only knowledge, but also personal experience Their previous work has also received recognition in professional circles, which confirms their authority in this field. The book "Reducing transaction costs in construction by optimizing the information space" is not just a textbook, but a real find for everyone who wants to be one step ahead in the rapidly changing world of the construction industry. It opens new horizons for understanding how information technology can transform approaches to project management, and offers practical solutions that can be implemented today. If you are looking for literature that will help you understand modern trends in construction, improve your skills and learn how to effectively manage costs, this publication will become an indispensable source of knowledge for you. Do not miss the opportunity to immerse yourself in the world of innovation and optimization that this book opens!