TY - BOOK AU - Pincher,Chapman TI - Treachery: betrayals, blunders and cover-ups SN - 9781845967697 U1 - 327.1241 PIN PY - 2011/// PB - Mainstream KW - Hollis KW - Great Britain KW - MI5 KW - History KW - 20th century KW - Espionage, Soviet KW - Spies KW - Espionage, British N1 - Includes bibliographical references and index N2 - In 'Treachery', noted intelligence authority and author Chapman Pincher makes a compelling case that the head of Britain's own counterintelligence and security agency was himself a double agent, acting to undermine and imperil the UK and America ER -