Consider Phlebas -

Consider Phlebas (1987) is the explosive, action-packed debut of Iain M. Banks’s seminal Culture series, serving as a dark, intense introduction to a universe that later novels explore with more utopian nuance. Written to challenge conventional sci-fi tropes, it often acts as a gritty entry point rather than a representative sample of the full series. The Core Conflict: Man vs. Machine

Consider Phlebas focuses on the war's sheer brutality, featuring "deaths in the billions". Plot Overview Consider Phlebas

A religious, tripedal race bent on galactic conquest and biological purity, who see the Culture's AI-led society as soulless and heretical. The Core Conflict: Man vs

Horza is recruited by the Idirans to retrieve a "Mind" that has escaped a dying ship and hidden on Schar’s World—a holy planet that is part of a "Planet of the Dead" system. The plot is a fast-paced, sometimes episodic adventure that sees Horza manipulating his way through various dangerous situations, accompanied by a crew of mercenaries. Key Themes and Tone Horza is recruited by the Idirans to retrieve

The story is set during the Idiran-Culture War, a defining conflict in the Culture's history. It explores the collision between:

A technologically advanced, post-scarcity, anarchist, and hedonistic society run by altruistic super-intelligent AIs known as Minds.

The narrative follows , a "Changer"—a genetically modified human capable of altering his appearance. Horza is not a hero in the traditional sense; he is a mercenary, a shapeshifter, and an enemy of the Culture, who believes that society’s reliance on machine intelligence is a failure of morality.