The book "On the question of fluctuations of steel bridges" by C. A. Ilyasevich is a fascinating and in-depth study that immerses the reader in the world of engineering mechanics and architecture. This work will be a real discovery for everyone who is interested not only in the theory, but also in the practical aspects of the design and operation of steel bridges. In his work, Ilyasevich raises important questions regarding the dynamics and stability of steel structures, exploring how various factors affect bridge fluctuations. The book covers a wide range of topics, from the foundations of vibration theory to practical examples, making it useful for both students and professionals in civil engineering and architecture. Readers will be able to find here both theoretical calculations and practical recommendations, which makes the material accessible and understandable. This book will be of interest not only to engineers and architects, but also to everyone who is fond of technical sciences, physics and mathematics. Students, graduate students and university professors involved in construction and design will find valuable information and inspiration for their research in it. It can also attract the attention of architectural historians and culturologists interested in the development of engineering art. The topics raised in the book are relevant and important for modern society, where the safety and durability of infrastructure become priorities. Ilyasevich focuses on how fluctuations can affect the performance of bridges, which in turn is associated with traffic safety and the durability of structures. The book emphasizes the need for an integrated approach to the design and operation of bridges, which makes it especially valuable in the context of modern challenges in the construction industry. The author's style is distinguished by clarity and logical presentation, which allows the reader to easily assimilate complex concepts and apply them in practice. C. A. Ilyasevich is an experienced specialist in the field of mechanics and design, and his knowledge and experience are reflected in every page of the book. His previous work has also earned recognition in academia, and "On the Question of Steel Bridge Fluctuations" is no exception. This book can become not only a textbook, but also a reference book for engineers who strive for excellence in their profession. If you are looking for literature that combines theory and practice, and also offers a fresh look at old problems, then “Towards the Question of Steel Bridge Fluctuations” will be a real find for you. This book will not only expand your knowledge, but also inspire new ideas and solutions in bridge design and operation. Do not miss the opportunity to immerse yourself in the world of engineering discoveries and gain unique knowledge from one of the leading experts in this field!