*Introduction to Nanochemistry* by O.V. Sergeev and S.K. Rakhmanov offers an engaging and in-depth exploration of the fascinating world of nanoscale materials and their extraordinary properties. This book is an essential resource for students, graduate researchers, and professionals working in chemistry, materials science, and related fields. Whether you're curious about the latest scientific breakthroughs, eager to understand how nanostructures can transform our daily lives, or simply looking to expand your knowledge of cutting-edge technologies, this book is for you. In *Introduction to Nanochemistry*, the authors cover a broad range of topics—from the fundamentals of nanochemistry to the most recent advances in the creation and application of nanomaterials. The book delves into key areas such as the synthesis, characterization, and uses of nanoparticles, as well as their interactions with biological systems. Readers will discover how nanomaterials are employed in medicine, electronics, energy, and environmental protection, making their study particularly relevant in today’s rapidly advancing technological landscape. A central theme of the book is the relationship between the structure of nanomaterials and their properties. The authors explain in detail how variations in particle size and shape can influence physical and chemical characteristics. This understanding opens new horizons for developing innovative solutions across various fields—from designing more efficient solar cells to creating targeted drug delivery systems. Written in accessible language, *Introduction to Nanochemistry* is understandable even for those new to this complex yet exciting subject. At the same time, it offers a thorough analysis and discussion of current issues, making it valuable for experienced researchers as well. The book is enriched with numerous examples and illustrations that help clarify concepts and demonstrate practical applications of theoretical knowledge. Sergei Olegovich Sergeev and Stanislav Konstantinovich Rakhmanov are renowned scientists in the fields of chemistry and materials science, whose research and publications have earned recognition both in Russia and internationally. Their expertise ensures that this book is not only grounded in solid theory but also highly practical. Their other works include studies on functional materials and nanostructures, which will also appeal to readers eager to deepen their understanding of this area. Who will find *Introduction to Nanochemistry* useful? The book is ideal for students and graduate students studying chemistry, physics, biology, and materials science, as well as educators looking to supplement their courses with modern insights. Researchers and practitioners involved in developing new materials will also find valuable information here. Additionally, anyone interested in staying up-to-date with the latest scientific achievements and their real-world applications will benefit from this book. Topics such as sustainable development, ecology, and health make *Introduction to Nanochemistry* particularly relevant today, as technological progress accelerates and environmental and health issues become increasingly important. This book is more than just a textbook; it’s a valuable guide for anyone eager to stay at the forefront of scientific innovation and apply their knowledge to address pressing global challenges. If you’re seeking books on nanochemistry, materials science, or simply want to learn how science can change our world, *Introduction to Nanochemistry* is an excellent choice. Dive into the world of nanoscale wonders and discover new horizons of knowledge with Sergeev O.V. and Rakhmanov S.K.!