Roger was the co-author, with Professor Norman Davies, of Microcosm: Portrait of a Central European City in 2002, and has since written a number of books, including Killing Hitler (Cape, 2006), The Devils’ Alliance (Bodley Head/Basic Books, 2014) – on the subject of the Nazi-Soviet Pact – and the critically-acclaimed Berlin at War (Bodley Head/Basic Books, 2010), a social history of the German capital in World War Two, which was short-listed for the Hessel-Tiltman Prize in 2011. His books have been published in over 20 languages.
His latest book First to Fight – which was published in the US as Poland 1939 – was shortlisted for both the Duke of Wellington Medal for Military History, and for the British Army’s Military Book of the Year award.
A regular lecturer and book reviewer for the national and specialist history press, Roger is a visiting professor at the College of Europe in Warsaw, and a fellow of the Royal Historical Society in London. In 2020 he was awarded the Knight’s Cross of the Order of Merit of the Republic of Poland at the Polish Embassy in London. He lives in Hertfordshire, UK.