The book “Tetrazoles” by Koldobsky and Ostrovsky is an exciting work that combines elements of science fiction and thriller, plunging the reader into a world where science and human emotions are intertwined in a complex and intriguing pattern. This is not just a book about scientific discoveries; it is a story about how technology can change our perception of reality and ourselves. The plot of "Tetrazoles" unfolds in the near future, when humanity has reached incredible heights in the field of biotechnology. At the center of the story is a group of scientists working to create a new class of substances known as tetrazoles. These compounds have unique properties that can not only improve the physical and mental abilities of a person, but also open doors to unexplored areas of consciousness. However, as is often the case in science fiction, brilliant prospects hide dangers that can threaten not only individuals, but also the whole of humanity. The authors masterfully create tension, forcing the reader to think about the moral and ethical aspects of scientific progress. How far are scientists willing to go in their experiments? What consequences may arise, if the boundaries between good and evil are blurred? These questions become central to the narrative, forcing the reader not only to follow the developments , but also think deeply about it, What it means to be human in the age of high technology "Tetrazoles" will be suitable for a wide range of readers, especially those who are fond of science fiction, thrillers and philosophical reflections on the future. Young people and adults interested in ethics in science, as well as fans of exciting stories with unexpected twists will find in this book a lot of interesting things. Readers who appreciate the works of authors such as Isaac Asimov or Philip K. Dick, be sure to appreciate the style and depth of "Tetrazoles" The style of Koldobsky and Ostrovsky is distinguished by bright imagery and dynamic narrative. They are able to create an atmosphere in which the reader feels part of what is happening, and the tension increases with each page. Their prose is saturated with details that make the world of the book alive and tangible. The authors are not afraid to raise complex topics, such as the responsibility of scientists for their discoveries and possible consequences for society, which gives the work additional depth. In addition, Tetrazoles raise important questions about human nature and how technology can affect our relationships, perceptions of ourselves and the world around us. In the context of constant scientific progress and the rapid development of technology, this book becomes especially relevant, forcing us to think about what awaits us in the future. If you are looking for a book that will not only entertain, but also make you think about serious issues, “Tetrazoles” is exactly what you need. Immerse yourself in a world where science and fantasy are intertwined, and discover new horizons of thought and feeling. This book will be an excellent choice for discussion with friends, as well as for personal reflection on how far we are ready to go in search of knowledge and power.