 Among many other subjects, his plays covered Trotsky's assassination, Dr Semmelweiss's campaign to get modern standards of hygiene adopted in hospitals across Europe, and the "mad" monk Rasputin odd story and seemingly hypnotic influence on the Russian Imperial Family.Next, McKee decided to concentrate on documentary authorship, publishing some 27 books during his life.In between researching and writing books, McKee took up sub-aqua diving with the Southsea Branch of the British Sub-Aqua Club.