Claire LeGrand is the author of YA and middle grade books including The Cavendish Home for Boys and Girls, feminist horror novel Sawkill Girls, and Furyborn, the epic, bestselling fantasy series she dreamed about for years before she wrote it. It's the story of two powerful women, separated by centuries, who will succumb to or defy a very dark destiny. We talked to LeGrand about book two in the series, Kingsbane, subversive writing, and how she worldbuilds.