Jon Cooksey was a leading military historian with a particular interest in the the world wars and the Falklands War. His expertise also led to him being an experienced battlefield guide, frequently leading tours to battlefields from these wars. He has written a number of books including The Barnsey Pals, Flanders 1915, Calais: A Fight to the Finish and 3 Para Mount Longdon: The Bloodiest Battle, as well as writing for a number of military magazines and editing Stand To!. He also wrote articles for a number of national newspapers and appears frequently on television and radio. Most recently he collaborated with David Griffiths on a new collection of diary entries by First World War Private Harry Drinkwater entitled Harry’s War, published by Ebury Press.