In this thematic sequel to Gregory Benford's award-winning bestseller Timescape , a history professor finds that he is able to travel back to 1968, the year he was sixteen--here, he finds a slew of mentors with the same ability, including Robert Heinlein, Albert Einstein, and Philip K. Dick. 2002: Charlie Moment, a professor of history going through an unpleasant divorce, gets into a car accident and wakes up, fully aware as his adult mind, in his...