You are getting downvoted probably because people aren't familiar with The Planiverse. While technically a novel, it isn't just fiction -- the author goes into

You are getting downvoted probably because people aren't familiar with The Planiverse. While technically a novel, it isn't just fiction -- the author goes into great detail how physics, chemistry, and life could work in two dimensions. In fact, that's actually the point of the book -- the story is just there to string the explanations together.