Armor is a science fiction novel written by John Steakley. The story follows two main characters: Felix, a soldier fighting in a space war against an alien insectoid race, and Jack Crow, a criminal on a distant planet. As Felix battles the relentless Bugs, he becomes increasingly reliant on a powerful suit of armor that enhances his abilities but also threatens to consume his humanity. Armor is a gritty and action-packed novel that explores the psychological toll of war and the limits of human endurance.