The book "Practical gas chromatography" by the authors N. and . Queen, V. and . The Queen and . B. Katrakva is an important and relevant work that immerses the reader in the world of one of the most powerful and widely used methods of analytical chemistry. This book will become an indispensable assistant for students, graduate students, researchers and practitioners working in the field of chemical analysis, ecology, pharmaceuticals and related disciplines . The main idea of the book is a detailed and practical approach to gas chromatography - a technique that allows you to separate and analyze complex mixtures of substances. The authors not only explain the theoretical foundations of the method, but also offer many practical recommendations, which makes the book especially valuable for those who want not only to study the theory, but also to apply the knowledge gained in practice. The reader will be able to learn about the principles of gas chromatographs, features of sample preparation, as well as about current trends in the development of this method. The book covers a wide range of topics, including column selection, hardware configuration, interpretation of results, and elimination of possible errors. The authors pay special attention to issues related to the quality of analysis and the reliability of the data obtained, which is critical for scientific research and production processes. The reader will find here not only theoretical information, but also practical tips that will help to avoid common mistakes and improve the efficiency of gas chromatography. This book will be interesting for both beginners and experienced specialists .. Students and graduate students studying chemistry, biochemistry or ecology will find useful materials in it to prepare for laboratory work and scientific research. Practicing chemists and analysts will be able to use the book as a guide that will help them in their daily work. It will also be useful for specialists in the field of quality control, where gas chromatography occupies an important place. The topics raised in the book go beyond purely technical aspects. The authors discuss the importance of gas chromatography in the context of contemporary challenges such as pollution control, food and pharmaceuticals analysis. This makes the book not only a textbook, but also an up-to-date source of information on how analytical chemistry can contribute to solving global problems. The style of the authors is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. N. and . Kings and W. and . Tsarev is known for his work in analytical chemistry and has many publications that have become the basis for training courses at universities. and . B. Katrakov is also a recognized expert in his field, which adds value to this book. If you are looking for a high-quality and informative gas chromatography manual that combines theory and practice, then Practical Gas Chromatography will become your reliable companion in the world of analytical chemistry. This book will not only help you master the method, but will also inspire new discoveries and research. Do not miss the opportunity to immerse yourself in the fascinating world of gas chromatography and discover new horizons in the field of science and technology!