Robert Caro’s The Passage of Power (Knopf) won the Plutarch Award for the best biography of 2012 as judged by biographers. The other finalists were Alice Kessler-Harris, A Difficult Woman, The Challenging Life and Times of Lillian Hellman (Bloomsbury Press); John Matteson, The Lives of Margaret Fuller (W. W. Norton & Company); Tom Reiss, The Black Count: Glory, Revolution, Betrayal, and the Real Count of Monte Cristo (Crown).