A heroic, brilliantly detailed portrait of the biographer as artist. James Boswell's Life of Samuel Johnson is the most celebrated of all biographies, acknowledged as one of the greatest and most entertaining books in the English language. Yet Boswell himself was regarded by his contemporaries as a man of no judgment and condemned by posterity as a lecher and a drunk. How could such a fool have written such a book? Boswell's "presumptuous task" was...