

Quilan is then sent to the Culture's Masaq' Orbital, ostensibly to persuade the renowned composer Mahrai Ziller to return to his native planet Chel, but in reality on a mission to destroy the Orbital's Hub Mind. His "Soulkeeper" (a device normally used to store its owner's personality upon their death) is equipped with both the mind of a long-dead Chelgrian admiral and a device given to the Chelgrians by a mysterious group of Involved aliens that can transport wormholes through which weapons can be delivered. A high-ranked Chelgrian priest offers Quilan the chance to avenge the Chelgrians who died by taking part in a suicide mission to strike back at the Culture. Major Quilan, a Chelgrian, has lost the will to live after the death of his wife, killed during the Chelgrian civil war that resulted from the Culture's interference.

The Chelgrians are a race of centaur-like cat aliens with three hind-limbs and a humanoid catlike torso. Consider Phlebas took its name from the following line in the poem and dealt with the events of the Idiran-Culture War Look to Windward deals with the results of the war on those who lived through it. Look to Windward is loosely a sequel to Consider Phlebas, Banks's first published Culture novel.
