My next book is also set in the eighteenth century. It's about the Revolution, with the focus on the year 1776. It's about Washington and the army and the war. It's the nadir, the low point of the United States of America. ↗
My shorthand answer is that I try to write the kind of book that I would like to read. If I can make it clear and interesting and compelling to me, then I hope maybe it will be for the reader. ↗
With the Truman book, I wrote the entire account of his experiences in World War I before going over to Europe to follow his tracks in the war. When I got there, there was a certain satisfaction in finding I had it right - it does look like that. ↗