From the bookshelf: ‘Spies: the epic intelligence war between East and West’

LONDON - OCTOBER 16: Oleg Gordievsky the KGB Colonel turned British spy, is seen here in disguise, in the Marlborough Hotel in London, on October 16, 1990. Gordievsky was in hiding after the former KGB Colonel and KGB station chief in London, was uncovered as a British spy for M16. He escaped to the west from Moscow in 1985. He arrived for this exclusive photo shoot wearing a wig, false beard and glasses. (Photo by David Levenson/Getty Images)"n