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 Phlebas The Player of Games Use of Weapons The State of the Art Excession Inversions Look to Windward Matter Surface Detail The Hydrogen Sonata Other books by Iain M. Banks: Against a Dark Background Feersum Endjinn The Algebraist