When Dickens arrives in the United States in November of 1867, he's already in questionable health. So by the end of the trip, he was really in failing condition, and really, he would never recover completely after this point, and you could sort of draw a straight line to his ultimate decline and death.
Matthew Pearl is an American novelist and educator. His novels include The Dante Club, The Poe Shadow, The Last Dickens, The Technologists, and The Last Bookaneer. Editions have been published in more than 40 countries.