Some people say that women invented or were the first to write sci-fi books. Mary Shelley wrote, possibly, the first sci-fi book, Frankenstein. Science fiction is a genre of fiction where, normally, the stories tell about science and technology or weird things like creating a human body out of other people’s parts. There are some sci-fi books that are about parallel universes or time travel. Most sci-fi books have partially true facts in them about science.

Jules Vern was a French writer. He wrote a book called Twenty Thousand Leagues Under The Sea. It was written in 1870. The story is about a sea monster that is attacking ships all over the world. Some think that it is a beast with a sword on its head. They then start hunting the animal. After a couple of weeks, they encounter the sea monster and it rams their ship.

Ray Bradbury wrote a book called Martian Chronicles in 1950. The book is about a Martian woman who dreams of people from Earth coming to her planet. People arrive but her husband shoots them down because he’s scared. Another rocket comes with more humans and this time the people of Mars try to explore them.