Book 643 Metallography: Part. Crystal lattices of metals and defects in their structure: a course of lectures by the authors of P. and . Malinina and Yu. C. Abrahamova is a unique and deeply developed manual that immerses the reader in the fascinating world of metallography. This publication will become an indispensable assistant for students, graduate students and specialists in the field of materials science, engineering and physics, as well as for anyone interested in the structural properties of metals and their application in various industries. The book examines the key aspects of crystal lattices of metals, their structure and defects that can significantly affect the mechanical properties of materials. The authors, possessing rich experience and deep knowledge in their field, share with readers not only theoretical foundations, but also practical examples, which makes the material accessible and understandable. The course of lectures includes both classical theories and modern research, which allows the reader to get a complete picture of the current state of science in this area. Who can like this book? First of all, it will be of interest to students and teachers of technical universities studying materials and their properties. Engineers and specialists in the field of metallurgy will also find in it a lot of useful information that will help in their professional activities. In addition, the book can attract the attention of researchers working in the field of new materials and technologies, as well as anyone who seeks to expand their knowledge of the physical properties of metals. The topics raised in the book are diverse and relevant. The authors examine in detail the influence of the crystal structure on the properties of metals, discuss various types of defects, such as vacancies, locations and grain boundaries, and their role in the formation of mechanical characteristics. These aspects are important not only for understanding the basics of metallography, but also for the development of new materials with specified properties, which is of great importance in modern technologies. Writing style R. and . Malinina and Yu. C. Avrahamova is clear and accessible, which allows the reader to easily assimilate even the most complex concepts. The authors use many illustrations and diagrams, which makes the material more clear and understandable. This publication is not only informative, but also visually attractive, which contributes to better assimilation of information . The book "No. 643 Metallography" is part of a larger course devoted to materials and their properties, and can be used as a training manual for courses in metallurgy and materials science. It can also be useful for self-education and in-depth study of the topic, making it a universal tool for anyone interested in the field. If you are looking for literature on metallography, crystal lattices, defects in the structure of metals or just want to expand your knowledge of the physical properties of materials, then this publication will be an excellent choice. It will not only enrich your wealth of knowledge, but also inspire new research and discoveries in the fascinating world of materials science. Do not miss the opportunity to get acquainted with the work of two outstanding authors who have made a significant contribution to science and education in the field of metallography.