M: Maxwell Knight, MI5's Greatest Spymaster

Henry Hemming

*** The Sunday Times bestseller *** 'Vividly imagined and prodigiously researched' Helen Davies, Sunday Times, Books of the Year 'Such a rewarding read' John Preston, Daily Mail, Books of the Year 'This odd, secretive man is brought to life', Robbie Millen, The Times, Books of the Year Maxwell Knigh...