Silverberg, Robert, Mound Builders of Ancient America, Greenwich, New York Graphic Society, [1968]. [xii], [1]-369 pages, 10 ¼ “ x 7 “, red cloth-covered boards. First Edition, a good to very good copy in a dust jacket that has seen better days. Silverberg’s focus is not so much on the Mound builder but rather on the effect of […]