Consider Phlebas.

Consider Phlebas is perhaps one of the lesser-known, but nevertheless the first, of the revelationary late Iain M. Banks' science fiction books. Consider Phlebas introduces us to the complex world of the mind-controlling, ubiquitous utopia of the Culture, which contrasts to their mortal sentient enemies. Iain Banks creates an imaginative and encapsulating premise to keep the reader hooked for more...