This is: The Story of American Democracy by Mabel B. Casner and Ralph H. Gabriel, with an introduction by Carl Sandburg. Harcourt, Brace and Company - New York and Chicago: 1958, 3rd edition.
This hard cover book is in very good condition. The page edges are smoothly cut, publisher identification is on inside front page. NO torn, missing or marked pages. NO PAPER JACKET. This book has 736 pages!