Berlin. Alfred A. Knopf, 2009. Knopf Mapguides. Revised and updated edition. 9780375710599 48 pages. Softcover volume, measuring approximately 5" x 7", is in fine condition.   This opening fold-out contains a general map of Berlin to help you visualize the 6 large districts discussed in this guide, and 4 pages of valuable information, handy tips and useful addresses.