YMMV: Red Mars Trilogy
- Alternate Character Interpretation: Loads and loads to go with the Loads and Loads of Characters. Given how many different points-of-view are presented and many with unreliable narration, this is one of the pleasures of reading it.
- Heartwarming Moment: After Sax is captured by the metanats in Green Mars and the underground—Maya, Nadia, Nirgal, etc—discuss the difficulties of rescuing him and the fact that information on their whereabouts will certainly be forcibly extracted from his brain, one of them concludes the discussion with "Besides, it's our Sax."
- Moral Event Horizon: Phyllis, when she sides with the metanats and helps them hunt down her fellow First Hundred. She has Arkady Bogdanov and the entire city he's based in immolated by raising oxygen levels to an extreme and igniting it. It's actually debatable that that was her idea: she clearly knew it was going to happen, but may not have had the power to prevent it. It goes without saying, YMMV. The question of whether Phyllis is a monster or is merely a fool who made a deal with figurative devils is something of an in-universe YMMV for the First Hundred (one among many).
- Too Cool to Live: John Boone and Arkady Bogdanov.