11:59 am David Gerrold's new novel Hella is about a low-gravity planet inhabited by dinosaur-like aliens. It does deep on the logistics of settling an alien planet.Illustration: Elena Lacey/WIRED; Joe Sohm, David Arky/Getty Images David Gerrold is the author of dozens of science fiction books, including The Martian Child and The Man Who Folded Himself. His new novel Hella, about a low-gravity planet inhabited by dinosaur-like aliens, was inspired by the 2011 TV series “The worldbuilding that they did was very interesting, very exciting, but because I was frustrated that they didn’t go in the direction I wanted to go, I was thinking, ‘Let me do a story where I can actually tackle the worldbuilding problems,'” Gerrold says in Episode 454 of the