A genre of literature that combines elements of science, technology, and speculative scenarios with the structure of a novel, often catered towards a juvenile audience. These works typically involve imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life. They are often characterized by a sense of adventure and exploration, and may be used as a tool to teach scientific principles or concepts to children in an engaging and entertaining way.