Try reading the book by Geofry Quill test pilot of the Spitfire a real eye opener not as great as everyone thinks
The other book is the story of zMametz Wood whare my dad was seriously wounded it even mentions the battle he was in and and number killed and three survivors one being dad The whole battle hushed up until the 50s you can't visit the site as I wanted to do as there are still ordinance and bodies in the trees as they have grown over the years .