The Transformation and Radiation of Electromagnetic Waves by Open Resonance Structures . Simulation and analysis of transient and well-established processes” is a fascinating and in-depth study that immerses the reader in the world of electromagnetic waves and their interaction with resonant structures. The authors collected in the team are experts in the field of radio physics and electromagnetic compatibility, which gives the book special value and reliability. From the first pages, the reader is in the center of the discussion of the key aspects of the transformation and radiation of electromagnetic waves. The book covers a wide range of topics, ranging from the basics of the theory of resonant structures to modern methods of modeling and analysis of transitional and established processes. Each section is riddled with practical examples and illustrations, which makes the material understandable even to those who are not experts in this field. This book will be of interest to students and graduate students of technical and natural sciences, as well as professionals in the field of radio engineering, telecommunications and electromagnetic compatibility. Engineers and researchers working with antennas, filters and other devices using electromagnetic waves will find it useful advice and recommendations. It can also attract the attention of science lovers interested in physics and new technologies. The topics raised in the book cover both theoretical and practical aspects of working with electromagnetic waves. The authors consider the influence of various factors on the process of radiation and transformation, including the geometry of resonant structures and their materials. The reader will be able to learn about modern methods of numerical modeling, such as the finite element method and the moment method, which allow more accurate prediction of the behavior of electromagnetic systems. This makes the book not only a theoretical manual, but also a practical guide for engineers and researchers. The style of the authors is characterized by scientific rigor and clarity of presentation, which makes complex concepts more accessible to understanding. The team of authors includes recognized specialists who share their knowledge and experience, which gives the book additional value. Their previous work in radiophysics and electromagnetic compatibility is also noteworthy and can serve as an excellent addition to the study of topics raised in this book. The book “Transformation and radiation of electromagnetic waves by open resonant structures” will become an indispensable source of knowledge for anyone who wants to better understand the nature of electromagnetic waves and their interaction with the surrounding world. It opens new horizons for researchers and practitioners, offering fresh ideas and approaches to solving complex problems. If you are looking for literature on radio physics, electromagnetic compatibility, or modeling of electromagnetic systems, this book will be an excellent choice. It will not only expand your knowledge, but also inspire new research and development in this exciting field of science.