"At the bottom of the ocean" is an exciting novel about the adventures of deep-sea explorers who embark on a dangerous mission to the bottom of the deepest ocean trench. The main character, the famous marine biologist Dmytro, together with the crew of the underwater summer station "Sea Wind", goes in search of the legendary deer whale, about which there are rumors among sailors all over the world. The author describes in detail the mysterious beauty of the seabed, where huge crystals grow and extraordinary sea creatures are found. During this expedition, the heroes face dangers, mysterious obstacles and internal conflicts that rise to the surface with their stay in such an isolated environment on the ocean floor. "At the bottom of the ocean" is a fascinating book that reveals the secrets of the marine world and teaches us to respect nature and understand the enormous power of the mysterious and unpredictable power of the ocean.