BERKOWITZ Bruce D Playfair: the true story of the British secret agent who changed how we see the world/ Bruce D Berkowitz. - Fairfax: George Mason University Press, 2018 - xxiv, 477 pages ; 23 cm. Includes bibliographical references and index. ISBN: 9781942695042 (hbk.): USD34.95 Subjects--Topical Terms: FINANCE--GREAT BRITAIN--HISTORYSPIES--GREAT BRITAIN--HISTORYESPIONAGE--GREAT BRITAIN--HISTORYENLIGHTENMENT--SCOTLAND