Isaac Asimov’s book “Not Forever!” is a fascinating and deep work that will not leave indifferent fans of science fiction and philosophical reflections on the future of mankind. In this article, author , Master in creating bright and memorable worlds , Invite the reader to immerse themselves in an exciting story, full of mystery, technological discoveries and ethical dilemmas , who question our understanding of time, Fate and opportunity to change your destiny. Not Forever! is not just a science fiction novel, it is a reflection on what it means to be human in an era of rapid technological change. Asimov, known for his classic works such as “The Foundation” and “I, the robot”, in this book continues to explore the boundaries of the human mind and capabilities. In the center of the plot is a story that unfolds in the distant future, where the boundaries of time and space are erased, and humanity is faced with issues that previously seemed unattainable. The author masterfully creates an atmosphere of tension and mystery, forcing the reader to ask questions about the nature of fate and how our actions can change the future. The book “Not forever!” will especially appeal to those who are interested not only in science fiction, but also in philosophy, ethics and social issues. It will suit adult readers and young fans of intellectual challenges that appreciate the deep plot and complex characters. Asimov in this work shows that even in conditions where it seems that everything is predetermined, a person always has a chance for change and new discoveries. His characters are not just characters, but carriers of ideas, each of which fights for their own destiny and for the future of all mankind. The topics raised in the book are not only technological innovation and scientific advances, but also issues of morality, responsibility and choice. Why it is important to remember the past , so as not to repeat mistakes? How to preserve humanity in the world, where the boundaries between man and machine are erased? Why sometimes it is better to leave fate in your hands instead of trusting her fateful algorithms? These questions make "Not forever!" a relevant and important book, Which makes me think about the future. Which we created today. Asimov's style in this book is his signature accuracy, logic and deep analytical approach, combined with a lively and fascinating narrative. The author is able to turn complex ideas into understandable and exciting stories, which makes his works available to a wide audience. His literary voice is that of a researcher, philosopher, and dreamer who is not afraid to ask difficult questions and seek answers in the most unexpected corners of the future. If you are already familiar with the works of Asimov, then “Not forever!” will become for you a new vivid example of his skill and ability to combine scientific accuracy with artistic expressiveness. For those who are just beginning to get acquainted with his work, this book will be a great introduction to the world of his ideas and style. In general, Not Forever is a book that will make you think about eternal questions, about fate and freedom of choice, about what it means to be a human being in the era of technological progress. This work is worthy of attention of all who appreciate intellectual challenges, are interested in the future and seek inspiration in the fantastic worlds created by the genius of Isaac Asimov.