The book "Strong calculations of wood products" by N. A. Kosheleva is an indispensable work for all those who are interested in engineering, construction and design of wooden structures. In this edition, the author shares his knowledge and experience, plunging the reader into the world of wood mechanics and its unique properties. Koshelev, being an expert in the field of wood materials, offers the reader not only theoretical calculations, but also practical recommendations that will help in solving real problems. Wood, as a building material, has many advantages, but also requires a special approach in calculations and design. The book covers a wide range of topics, ranging from the basics of wood mechanics to complex calculations of the strength of various products. The reader will be able to learn how to correctly take into account the physical and mechanical properties of wood, how to conduct strength tests, as well as how to apply the obtained data in design. Koshelev emphasizes the importance of taking into account factors such as humidity, temperature and type of wood, which makes his work especially valuable for practicing engineers and architects. This book will be useful not only for professional designers, but also for students studying construction specialties. It is suitable for readers aged 18 years and older who seek to deepen their knowledge in the field of materials science and engineering. It can also be of interest to fans of DIY projects who want to create something from wood, whether it is furniture or architectural elements. Koshelev focuses on the availability of information, which allows even beginners to understand the complex issues of strength calculations Topics raised in the book range from the basics of mechanics to more complex aspects, such as calculating the stability and strength of structures. Koshelev not only explains the theory, but also illustrates it with examples, which makes the material more clear and understandable. He emphasizes that the correct calculations are the key to the safety and durability of wooden structures, which is especially important in light of current trends towards environmentally friendly construction. Style N. A. Koshelev is distinguished by the clarity and logic of the presentation .. He is able to convey complex ideas in simple language, which makes his books available to a wide audience. Koshelev is also the author of other well-known works on construction and design, which confirms his status as an expert in this field. Readers familiar with his previous work will appreciate this edition as well, as it continues the tradition of deep and thoughtful analysis. If you are looking for a book that will help you understand the strength calculations of wood products, "Strong calculations of wood products" will be a real find for you. It will not only expand your knowledge, but also inspire new projects. In a world where sustainable and green construction is becoming more relevant, understanding the properties of wood and the ability to calculate it correctly is the key to the successful implementation of your ideas. Do not miss the opportunity to immerse yourself in this fascinating and informative topic with N. A. Wallet!