This updated edition of one of the most popular guides to New York's architecture includes 15 walking tours of the city's most important structures and neighborhoods. Along with easy-to-follow street maps and travel directions, readers will find fascinating and rare details that put architectural history into fascinating context. The updates include: a new Foreword that discusses the events of September 11th and its widespread effects on Lower Manhattan; revised maps and travel directions; new landmark designations, obtained from the New York City Landmarks Preservation Commission; and a revised Recommended Reading list.