The fifth Culture book from the awesome imagination of Iain M. Banks, a modern master of science fiction. Two and a half millennia ago, the artifact appeared in a remote corner of space, beside a trillion-year-old dying sun from a different universe. It was a perfect black-body sphere, and it did nothing. Then it disappeared. Now it is back.Praise for the Culture series:'Epic in scope, ambitious in its ideas and absorbing in its execution' Independent on Sunday'Banks has created one of the most enduring and endearing visions of the future' Guardian'Jam-packed with extraordinary invention' Scotsman'Compulsive reading' Sunday Telegraph The Culture series:Consider PhlebasThe Player of GamesUse of WeaponsThe State of the ArtExcessionInversionsLook to WindwardMatterSurface DetailThe Hydrogen SonataOther books by Iain M. Banks:Against a Dark BackgroundFeersum EndjinnThe Algebraist