John Hussey has been working across four languages to pull together this two volume history of the 100 days and it's aftermath. The first will be out in April.
Whilst something you can read now is an intriguing PHD on Hougoumont - what it was like in June 1815. It has also been informed by the fascinating work of the archaeology charity Waterloo Uncovered (they combine archaeology with current veterans to explore the battlefield). A taste of their work
"Tony is confident that the lead musket shot found along that southern perimeter signaled the opening of this brutal and titanic confrontation.