““History only became more challenging when it became less neat. Every time I pick up a book or document from the past, I'm in a battle with people who lived hundreds of years ago. They have their secrets and obsessions - all the things they won't or can't reveal. It's my job to discover and explain them.' 'What if you can't? What if they defy explanation?' 'That's never happened,' I said after considering his question. 'At least I don't think it has. All you have to do is be a good listener. Nobody really wants to keep secrets, not even the dead. People leave clues everywhere, and if you pay attention, you can piece them together.' 'So you're the historian as detective,' he observed.””