<b>Science and Sci-Fi: </b>Science and Sci-Fi - Science Book is a work of nonfiction and usually written by a scientist, researcher, or professor and contains real-life events of Science like inventions &amp; discoveries and their history. There are many disciplines that are well explained to lay people through science books. It also has Sci-fi which is a genre of speculative fiction that specifically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life. Which makes it called the “Literature of Ideas” and often explores the potential consequences of scientific, social, and technological innovations. Now they just have the broad categories of fiction and nonfiction.