published by Weidenfeld and Nicolson, and was the subject of the lead review in all but one of Britain's national newspapers. January 2003 saw the publication of Hitler and Churchill: Secrets of Leadership. In the book, which addresses the leadership techniques of Adolf Hitler and Winston Churchill, he delivered a rebuttal to many of the assertions made by Clive Ponting and Christopher Hitchens concerning Churchill. An accompanying television series based around Roberts' Hitler and Churchill ran on BBC2, with its first episode being broadcast on 7 March 2013. Roberts remarked that he felt grateful for the BBC's support of his work and their unwillingness to cut corners when it came to exploring history in detail, quipping as well about the group's wardrobe policy, "Courtesy of this programme, I now have two Armani suits upstairs." Also in 2003, Roberts became a fellow of the Royal Society of Arts. In 2004, he edited What Might Have Been, a collection of twelve "What If?" essays written by historians and journalists, including Robert Cowley, Antonia Fraser, Norman Stone, Amanda Foreman, Simon Sebag Montefiore, Conrad Black, Baron Black of Crossharbour, and Anne Somerset. In 2005, Roberts published Waterloo: Napoleon's Last Gamble, which was published in America as Waterloo: The Battle for Modern Europe. His A History of the English-Speaking Peoples Since 1900, a sequel to the four volume work of Churchill's biography, was published in September 2006, and won the Intercollegiate Studies Institute Book Award. Masters and Commanders describes how four figures shaped the strategy of the West during the Second World War. It was published in November 2008 and won the International Churchill Society Book Award and was shortlisted for two other military history book prizes. The Art of War is a two-volume chronological survey of the greatest military commanders in history. It was compiled by a team of historians, including Robin Lane Fox, Tom Holland, John Julius Norwich, Jonathan Sumption, and Felipe Fernández-Armesto, working under the general editorship of Roberts. Overview of the Second World War The Storm of War: A New History of the Second World War came out in August 2009. A detailed look at the history of events behind the Second World War and various key elements within it such as the nature of Nazi Germany's rule, the book received large popular success. and reached number two in The Sunday Times bestseller list. The book additionally earned the British Army