This classic novel follows the journey of a seaman who travels up the Congo River into the African interior to meet a mysterious ivory trader. Throughout his journey, he encounters the harsh realities of imperialism, the brutal treatment of native Africans, and the depths of human cruelty and madness. The protagonist's journey into the 'heart of darkness' serves as both a physical exploration of the African continent and a metaphorical exploration into the depths of human nature.

"The Lost World" is an adventure novel that follows a group of explorers as they embark on a perilous journey to a remote plateau in South America, where prehistoric creatures still roam. Led by an eccentric professor, the team encounters dangerous dinosaurs, hostile tribes, and treacherous terrain, testing their courage and resilience. As they strive to survive and document their discoveries, the explorers face thrilling encounters and unexpected challenges that push them to their limits. This thrilling tale of exploration and survival is filled with suspense, action, and a sense of wonder as the characters navigate the mysteries of this lost world.

In the novel, a team of four women—an anthropologist, a surveyor, a psychologist, and a biologist—embark on an expedition into Area X, a mysterious and remote region cut off from civilization. The area is known for its strange occurrences and the disappearance of previous expedition members. As the team delves deeper into the wild and enigmatic landscape, they encounter bizarre creatures, cryptic signs, and the remnants of a lost civilization. The biologist, serving as the narrator, documents their discoveries and her own personal transformations, driven by the unseen forces of Area X. The novel explores themes of nature, mutation, and the unknown, as the expedition's members confront the limits of knowledge and the consequences of seeking to uncover the inexplicable.