Collected Works in 30 Volumes . Volume 3. Diletantism in science . Letters. On the study of nature. 1842-1846" edited by Volgin V. P. represents a unique contribution to the understanding of scientific thought and philosophy of the 19th century. This volume is part of a large-scale project that seeks to collect and preserve the heritage of outstanding thinkers, and in particular those who dealt with science and its role in society. In this volume, the reader will find deep reflections on amateurism in science, which is a particularly relevant topic in our time, when the boundaries between professional and amateur activities in the scientific field are becoming increasingly blurred. The author, referring to letters and notes written in the period from 1842 to 1846, raises important questions about how amateur passion for science can contribute to its development. These texts are full of sincerity and passion, which makes them not only scientific, but also personal, allowing the reader to look into the soul of the author and understand his aspirations. The book will be of interest to both specialists and a wide audience, including students, graduate students and anyone interested in the history of science, philosophy and culture. It will be a real discovery for lovers of scientific literature and those who seek inspiration in thinking about the nature of knowledge. It offers many useful ideas for discussion, making it an excellent choice for seminars and group readings. The topics raised in this volume concern not only science as such, but also its place in society, the role of education and self-knowledge. Volgin V. P. Masterfully emphasizes how amateurism can be not only an obstacle, but also an engine of scientific progress, when amateurs, driven by passion and a desire to understand the world, make their discoveries and contribute to the common treasury of knowledge. This creates a special atmosphere in which the reader can think about his own hobbies and how they can affect his life and the lives of others. Volgin's style W. P. is distinguished by depth and erudition, which makes his works not only informative, but also fascinating. His ability to connect scientific concepts with personal experiences and historical context makes reading his work a real pleasure. In previous volumes of the collection of works, the author has already demonstrated his unique manner of presentation, and in this volume it is manifested especially clearly. Collected Works in 30 Volumes . Volume 3. Diletantism in science . Letters. On the study of nature. 1842-1846" is not just a book, but a whole world in which the reader can immerse himself by exploring ideas that remain relevant today. This work will be a valuable addition to the library of everyone who seeks to understand how the science and art of cognition intertwine in our world, and how each of us can become part of this fascinating process. If you are looking for literature that inspires reflection and encourages action, if you are interested in the topics of science, philosophy and self-knowledge, then this volume will become a real treasure for you. Do not miss the opportunity to touch the heritage that continues to inspire generations.