TY - BOOK AU - Hemming,Henry TI - M: Maxwell Knight, MI5's greatest spymaster SN - 9781784752040 U1 - 920 PY - 2018/// CY - London PB - Arrow Books KW - Knight, Maxwell, KW - Great Britain KW - MI5 KW - History KW - Espionage, British KW - 20th century KW - World War, 1939-1945 KW - Secret service N1 - Originally published: London: Preface, 2017 N2 - Despite an almost total lack of qualifications, Maxwell Knight - or 'M', as he was known - succeeded in becoming a legendary MI5 spymaster. Throughout his career, he had at his fingertips a vast network of undercover agents hidden within extremist political groups. What set him apart was not only his extraordinary ability to keep these agents in play for so many years, but his pioneering belief in the use of female secretaries as MI5 spies. Here, Henry Hemming tells the story of this remarkable and often conflicted man ER -