The building of the wall in 1961 occupies the central position in Dulles's book. But she has prefaced it with an excellent review of Berlin's tangled history since the end of World War II with its recurrent crises and the hardening of lines as the cold war continues. Originally published 1967. A UNC Press Enduring Edition -- UNC Press Enduring Editions use the latest in digital technology to make available again books from our distinguished backlist that were previously out of print. These editions are published unaltered from the original, and are presented in affordable paperback formats, bringing readers both historical and cultural value.