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Formerly a university teacher, I am now a freelance writer specialising in the theory and practice of diplomacy from the earliest times until the present. As well as hoping to encourage the study of diplomacy, this site provides periodic updating of my textbook (see immediately below). This page contains some news and views (‘Blog posts’). The contents of the rest of the site can be navigated via the horizonal menu at the top of this page.

Diplomacy: Theory and Practice

G. R. Berridge Diplomacy 6th edition

6th edition
(Palgrave-Macmillan: Basingstoke and New York, 2022)

After Kissinger’s book, the most cited general work on diplomacy on Google Scholar’s diplomacy page.

Amazon customer reviews of earlier editions can be seen here.

CLICK HERE FOR ONLINE UPDATING

From the back cover:

“This is a highly welcome update for the best general introduction to the theory and practice of diplomacy. It is clear enough to be recommended to undergraduate students, yet sufficiently thoughtful and incisive to be read with profit by practitioners and experts.”
—John W. Young, Emeritus Professor of International History, University of Nottingham, UK

Diplomacy: Theory and Practice is a tour de force in diplomacy scholarship. Geoff Berridge has not only written the definitive text in diplomatic studies; he has done so in a lucid, accessible, and engaging way that sets the gold standard for how books should be written. Weaving together historical cases with contemporary examples, Berridge has given us essential reading for any student of international politics.”
—Marcus Holmes, Associate Professor of Government, College of William & Mary, USA

Ambassadors, Journalists and Spies: FORTHCOMING

31 January, 2026. My latest publication, called Ambassadors, Journalists and Spies: From ancient Greece to the present day, will shortly be available from DiploFoundation. All earnings from its sales will go to this non-profit organization, created in 2002 by the governments of Malta and Switzerland, as an expression of my gratitude for its support for this website over many years. The simplest way for me to explain what the volume is about is to reproduce here the Preface to the volume.

The Arrogance of Ignorance

27 January, 2026. I heard this phrase for the first time way back in the late 1960s in a report from a friend about a fiery seminar debate between political sociologists in which a visiting speaker accused someone who attacked him of having this disposition. Since then I have often had occasion to observe it, particularly on the part of politicians at extreme ends of the political spectrum. But why is ignorance likely to encourage arrogance, which seems counter-intuitive and is more often associated with expertise?

Trump’s ‘Board of Peace’ absurdity

23 January, 2026. Since rightly being denied the Nobel Peace Prize, President Trump has childishly avowed a greater interest in the exciting use of military power, most recently and idiotically in regard to the proposed annexation of Ice … sorry, Greenland, where the USA already has treaty rights to create bases. Perhaps thinking he might need to re-balance and simultaneously come up with another way of keeping the world’s attention, he has launched a ‘Board of Peace’.

Why I’ve put the Arsenal’s logo on the right-hand sidebar

10 December, 2025. As a long time supporter of the Arsenal, I’d been toying with this idea for some time. It became a firm decision after reading in The Guardian that football is on a rising tide of popularity in the USA and that the electrifying Zohran Mamdani, democratic socialist mayor-elect of New York, is a fellow supporter of the Gunners.

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