This book is a masterpiece of science fiction by Jules Verne, the father of science fiction novels. The novel mainly tells the story of Dr. Ferguson, a British adventure traveler in the first half of the 19th century, who, in order to verify the results of previous expeditions, received funding from the Royal Geographical Society, and took a self-designed hot air balloon "Victoria" with his companions to start an African expedition. Even though they encountered harmful air pollution during the journey, The weather, unfamiliar indigenous people, and natural crises, but after going through difficulties and obstacles, they still crossed the African continent and finally successfully reached the west coast. This fully demonstrated a scientist's loyalty and love for science and human progress, and showed the huge power of modern science and technology to change the world and human cognition.
