Paperback edition of the final Culture novel from the much-missed Iain M. Banks, who died in June. The Gzilt helped set up the Culture 10,000 years ago, but now they've decided to Sublime, elevating themselves to a new, more rich and complex existence. More than 1.1 millions of Banks's sci-fi novels have been sold, and this will receive widespread coverage in the wake of his death. '"The Hydrogen Sonata" confirms his pre-eminence in the field' "Guardian"