Here at EW, we’re always looking for the next great sci-fi or fantasy epic. Consequently, a much-maligned National Review article, which dismissed the Bechdel Test and wrote off an absence of women in blockbuster films as a result of the lack of women writing blockbuster-worthy stories, had us raising our eyebrows. The article says, “Have a wander through the sci-fi and fantasy section of your local bookstore: How many of these books’ authors are female? Yet these are where the big movie ideas come from.” Well, actually, quite a lot of the authors are female (and many of them already have sold the film/TV rights to their books). Fiction from J.K. Rowling (Harry Potter), Margaret Atwood (The Handmaid’s Tale), and Diana Gabaldon (Outlander) has inspired some of the most popular film and television of recent years, but there are countless others who fly slightly more under the radar just waiting for their stories to become the next big thing. Here are 27 female authors who rule sci-fi and fantasy right now.