...might interest some of you. I am about one quarter through it. Napoleon: A Life, by Andrew Roberts. Published last year. Has received numerous positive reviews. Roberts is a respected historian. IT takes advantage of the ongoing release of some 33,000 letters of Napoleon. Here is a link to a review by the Washington Post.
http://www.washingtonpost.com/opinions/book-review-napoleon-a-life-by-andrew-roberts/2014/12/05/de4b0c34-4e34-11e4-aa5e-7153e466a02d_story.html