“A World Without Sun” is an exciting work written by the outstanding explorer and oceanographer Jacques-Yves Cousteau, which immerses the reader in the mysterious and unexplored world of underwater depths. This book, released in 1965, not only reveals the secrets of the oceans, but also becomes a real manifesto of love for nature, its beauty and fragility. Cousteau, known for his documentaries and research, in this work conveys his impressions and discoveries made during numerous expeditions. “A World Without Sun” is not just a scientific work, but a poetic and emotional journey into a world where there is peace and tranquility, but at the same time danger. Cousteau describes his adventures aboard the underwater vehicle Calypso, which has become a symbol of his research. Readers will be able to learn about what life looks like on the ocean floor, about strange creatures living in the dark, and about how human intervention threatens this fragile ecosystem balance. This book will be of interest to both the youth audience and adults who are fond of nature, ecology and underwater research. It is suitable for those who seek inspiration and seek to understand the importance of preserving nature and taking care of our planet. If you love adventure, want to learn more about life in the ocean or just looking for a book that will make you think about our place in the world, “A World Without Sun” will be a real find for you. The topics raised in the book are extensive and relevant. Cousteau addresses issues of ecology, environmental protection and the importance of scientific research. It shows how human activity affects the oceans and their inhabitants, and encourages readers to think about the consequences of their actions. The book also raises philosophical questions about man's place in nature and how we can coexist with other forms of life. The style of Jacques-Yves Cousteau is unique: it combines scientific accuracy and poetic expressiveness. His descriptions of the underwater world are full of colors and details, which allows the reader not only to imagine, but also to feel the atmosphere about which he writes. Cousteau masterfully uses metaphors and images to convey the beauty and grandeur of the oceans, as well as their vulnerability. His other notable works, such as Underwater World and Calypso, also reflect his passion for marine exploration and love of nature. “A World Without Sun” is not just a book about the underwater world, it is a call to action that is relevant today. It inspires us to protect nature and inspires us to think about how we can change our habits for the sake of preserving our planet. If you are looking for a book that will not only entertain, but also teach, make you think and inspire you to action, “A World Without Sun” will be a real find for you. Immerse yourself in this amazing world with Jacques-Yves Cousteau and discover the secrets that the ocean hides