The book «No719 Preparation of initial data for a comprehensive calculation of the effectiveness of an investment project: a training manual» by Zakharov S. N. , Romenza B. A. and Ivanova E . G. is an indispensable resource for students, postgraduates and practitioners in the field of economics and project management. This tutorial not only highlights the theoretical aspects of preparing data for investment project analysis, but also offers practical recommendations, making it particularly valuable for those seeking to better understand the mechanisms for assessing investment performance. In today's world, where investment plays a key role in the development of business and the economy as a whole, the ability to properly prepare the raw data for analysis becomes a necessary skill. The authors of the book, with extensive experience in the field of economics and project management, share their knowledge and practical experience, which allows the reader not only to master the theory, but also to apply it in practice. The book covers a wide range of topics, ranging from the basics of investment analysis to methods of assessing the risks and effectiveness of projects. The authors consider in detail what data needs to be collected, how to process and analyze them in order to obtain reliable results. This makes the manual relevant for both students and professionals working in the field of financial analysis, project management and investment consulting. The book focuses on the practical aspects of data preparation. The authors offer various examples and case studies that help the reader better understand how to apply theoretical knowledge in real-world conditions. This makes the tutorial not only useful, but also fascinating, as each chapter is filled with living examples from practice. The book will be interesting not only for students and graduate students, but also for practitioners who want to update their knowledge or master new methods of analysis. It is suitable for both those who are just beginning their journey in the field of investment analysis, and for experienced professionals seeking to improve their skills. The manual can also be useful for teachers who are looking for quality materials for their courses. The style of the authors is characterized by accessibility and clarity of presentation, which makes it easy to assimilate even the most complex concepts. Zakharov, Romenets and Ivanova use many illustrations and tables, which makes the material more clear and understandable. Their approach to learning is based on a combination of theory and practice, which allows readers not only to remember information, but also to learn how to apply it in real situations. If you are looking for a high-quality training manual for preparing data for the analysis of investment projects, then “No. 719 Preparation of initial data for a comprehensive calculation of the effectiveness of an investment project” will be an excellent choice for you. This book will not only expand your knowledge in the field of investment analysis, but also help you become a more confident specialist in your field. In conclusion, it is worth noting that this manual is an important contribution to the literature on investment analysis and project management. It will help readers not only to master the necessary skills, but also prepare them for a successful career in the field of economics. If you want to learn more about how to properly evaluate investment projects and make informed decisions, this tutorial will be your reliable assistant along the way.