THE PRESIDENT'S LADY (338 pp.)Irving StoneDoubleday ($3.50).
Irving Stone is one of the U.S.'s most popular writers of so-called biographical novels (Lust for Life, Immortal Wife). This type of novel, Stone explains, "differs from a historical novel in that it does not introduce fictional characters against a background of history, but instead tells the story through the actual people who lived it and helped to make it happen." In other words, while Tolstoy was able to give his imagination a pretty free rein in War & Peace, Stone, applying the biographical method to Andrew...