Simon Duke: Will Brexit Damage our Security and Defence? The Impact on the UK and EU (London: Palgrave, 2018), pp. 120. ISBN: 978-3319961064

Since the outcome of the referendum on Brexit held in Great Britain in June 2016, academic researchers have paid considerable attention to this issue. Indeed, since the referendum result the EU and the UK have yet to get past Brexit: it should have happened on March, 29th 2019, exactly two years after the United Kingdom invoked article 50 of the Lisbon Treaty, but it has been postponed until at least October, 31st 2019, to give the EU and the UK a last chance to avoid a no-deal scenario and find an agreement fitting both Brussels and London. Meanwhile, the issue continues to divide political elites and citizens alike, as the result of the recent European elections for the European Parliament showed (torn between a high score for the Brexit Party on the one hand and a boost for pro-Europe candidates on the other). As a highsalience issue, Brexit has generated numerous academic publications over the last three and a half years. Moreover, if academic writings on Brexit in general have begun to bloom, many articles and books have been written on the more specific topic of the impact of Brexit on both the UK’s and the EU’s security and defence policy.1 The essay under review here fits in this growing body of literature. The author’s legitimacy on the topic under study has been acknowledged for decades. Simon Duke was one of the leading scholars in the field of European security and defence policy from the end of the 1990’s until he unexpectedly passed away in September 2018. Professor at the European Institute of Public Administration (EIPA) in Maastricht, he received a PhD from the University of Oxford. He was the author of twelve monographs and over a hundred other publications on European and transatlantic foreign and security issues.2 He recently produced many academic