 Polk by Walter R. Borneman |  American Sphinx by Joseph J. Ellis |  Thomas Jefferson by Christopher Hitchens |  Thomas Jefferson by Jon Meacham |  The Last Founding Father by Harlow Giles Unger |  Madison and Jefferson by Andrew Burstein |  The Inner Jefferson by Andrew Burstein |  Eisenhower in War and Peace by Jean Edward Smith |  Chester Alan Arthur by Zachary Karabell |  Coolidge by Amity Shlaes |  American Lion by Jon Meacham |  The Life of Andrew Jackson by Robert V. Remini |  The Man Who Saved the Union by H. W. Brands |  Abigail and John by Edith Gelles |  Mornings on Horseback by David McCullough |  The Wright Brothers by David McCullough |  Empire of the Summer Moon by S. C. Gwynne |  The Professor and the Madman by Simon Winchester |  Mobituaries by Mo Rocca |  Gandhi by Mahatma Gandhi |