Two folio sized hardcovers housed in original publishers slipcase. Books bound in black boards, lettered and decorated in gold. Chapter introductions by Marshall B. Davidson. 820 pages with Index appended at rear of volume II. Profusely illustrated with hundreds black and white photographs. First edition, with no additional printing listed. No previous ownership marks. No remainder marks. A survey of American architectural styles by region, from New England to the Far West and Pacific. In all the author focusing on seven distinct regions across the length and breath of the United States. A clean, tight, fresh and unmarked set, appears unread and like new. Slipcase has a tear at the upper left and some wear to the front and back but is still in good condition. A large, very heavy set.