The book "Investigation of transverse-bending and longitudinal oscillations of elements of structures of machines and equipment" by N. In. Kutsubin is an important contribution to the field of mechanics and engineering sciences. It is designed for professionals, students and graduate students interested in the dynamics of structures and their behavior under the influence of various loads. In this work, the author is deeply immersed in the study of oscillatory processes that play a key role in the design and operation of machinery and equipment. Kutsubin, with a wealth of experience and knowledge in the field of mechanics, offers the reader a unique view of the behavior of structures under dynamic influences. The book covers a wide range of topics, ranging from basic concepts of oscillations to complex mathematical models that allow predicting the behavior of elements under the influence of various factors. This makes the book not only a tutorial, but also a practical guide for engineers and researchers. One of the main topics of the book is the analysis of transverse and longitudinal oscillations that may occur in the structures of machinery and equipment. Kutsubin examines in detail the methods of calculating and modeling these oscillations, which allows readers to better understand how different structural elements interact with each other and how they react to external loads. This knowledge is critical to ensuring the reliability and durability of machines, making the book relevant for engineers working in a variety of industries. The book will be especially interesting for those who are engaged in the design and analysis of mechanical systems, as well as those who seek to deepen their knowledge in the field of structural dynamics. Technical students, graduate students and young scientists will find in it a lot of useful information that will help them in their research and practical activities. In addition, the book can be useful for experienced professionals who want to update their knowledge and get acquainted with modern methods of analyzing fluctuations. The style of Kutsubin is distinguished by clarity and accessibility, which makes complex concepts more understandable to the reader. It uses real-world examples to better understand how theoretical aspects are applied in real-world settings. This makes the book not only a tutorial, but also a practical guide that can be used in everyday work. The book "Study of transverse and longitudinal oscillations of elements of structures of machines and equipment" is an important resource for all who are interested in mechanics and dynamics of structures. It opens new horizons for understanding the processes taking place in machines and equipment, and offers readers tools for solving practical problems. If you want to deepen your knowledge in this area, this book will be a great choice. In conclusion, it is worth noting that the work of N. In. Kutsubina not only enriches the scientific community, but also serves as a practical guide for engineers and researchers. This work will become an indispensable assistant for all who seek improvement in the field of mechanics and structural dynamics, as well as for those who want to be one step ahead in their professional activities.