 Whilst a student, Moorhouse worked as a researcher for Professor Norman Davies, collaborating on many of the latter's best-known publications, including "", "" and "Rising '44 "and culminating in the publication in 2002 of a co-authored study of the history of the city of Wrocław (the former German Breslau) entitled "".In 2006, Moorhouse's first solo book, "Killing Hitler, "was published, which has since been translated a number of times.In a CNN news report of 3 September 2011, "Killing Hitler" was shown on Al-Saadi Gaddafi's desk after he had fled his office in the wake of the collapse of the Gaddafi regime in Libya.