There were many civilizations that appeared in modern novels. The following were some common civilizations: Alien civilizations: In many modern novels, alien civilizations are regarded as a mysterious force, and their existence is often described as a wonderful phenomenon beyond human understanding. The most famous alien civilizations included the Jedi Knight civilization in Star Wars and the android civilization in Blade Runner. Magic Civilization: Magic Civilization is one of the common types of civilizations in modern novels. They usually have magical abilities beyond human understanding, as well as magical technology and buildings. The most famous magic civilizations included the Wizarding World in Harry Potter and the Hobbit civilization in The Lord of the Rings. Mythical civilization: Mythical civilization is one of the common types of civilizations in modern novels. They usually have a long history and rich cultural heritage. The most famous mythological civilizations included the ancient Greek civilization in Ancient Greek Mythology and the Northern European civilization in Northern European Mythology. Future civilizations: Many modern novels describe future civilizations, which usually have advanced technology and highly developed social structures. The most famous future civilizations included the virtual world civilization in The Matrix and the android civilization in Blade Runner. Supernatural Civilization: Some civilizations in modern novels are depicted as possessing supernatural powers and abilities. These powers include energy, time, space, and so on. The most famous supernatural civilizations included the ghost civilization in Ghost Blows Out the Light and the magical world in Harry Potter.