The Gulag ArchipelagoA 50th anniversary edition of the book that brought down the Soviet Union, now with an introduction from Solzhenitsyn's widow detailing the dramatic story of its publication. The Gulag Archipelago helped to bring down an empire. Its importance can hardly be exaggerated. Doris Lessing, Sunday Telegraph With a new introduction by Natalia Solzhenitsyn. A vast canvas of camps, prisons, transit centres and secret police, of informers and spies and