What is the impact of Green writing this book from his own personal perspective rather than as a purely objective text?

Green subtitled this book: The History and Persistence of our Deadliest Infection, but he is not writing just a straight-forward history. Rather, he is making an emotional appeal for his audience to take up the cause of TB. Green writes in the first person to show why he cares about TB, and to convince others to do so. He wants to demonstrate the emotional, not just medical, historical or statistical impact of this disease.

Describe the role that Henry plays in the book.

Henry is the emotional center of this book. He is not quite a protagonist, because he does not drive the action, but most of the action revolves around him. Henry is not telling his own story, either. Instead, Green is partially telling Henry...