Anthony Summers is the bestselling author of eight works of nonfiction. His investigative books include "Not in Your Lifetime", the critically acclaimed account of the assassination of John F. Kennedy; "Official and Confidential: The Secret Life of J. Edgar Hoover"; "Goddess", a biography of Marilyn Monroe; and most recently "The Eleventh Day", on the 9/11 attacks a finalist for the 2012 Pulitzer Prize for History.