The Adelphi series is The International Institute for Strategic Studies' flagship contribution to policy-relevant, original academic research.
Six books are published each year. They provide rigorous analysis of contemporary strategic and defence topics that is useful to politicians and diplomats, as well as academic researchers, foreign-affairs analysts, defence commentators and journalists.
By Joshua Rovner
January 14, 2025
Wartime leaders should understand the link between violent means and political ends. They should also have a sense of how strategic decisions will affect the post-war peace. Yet they often fail to make these connections. Mistaking strategy for grand strategy, or misunderstanding the relationship ...
By Marcus Willett
November 21, 2024
In the twenty-first century, cyberspace and the ‘real world’ have become inseparable. The stability and security of cyberspace therefore affect, in increasingly profound ways, the economies, international reputations, national security, military capabilities and global influence of states. In their...
By Bill Emmott
July 15, 2024
Russia’s full-scale invasion of Ukraine confirmed that revived great-power competition has heightened the prospect of global conflict, while restoring the concept of deterrence to centre stage. The stakes in a conflict in East Asia, however, would be even higher than those in Ukraine. A war over ...
By Aaron Connelly, Shona Loong
June 26, 2024
Outside Myanmar, the 2021 coup d’état has often been portrayed as the end of a hopeful period for the country. In this Adelphi book, however, Aaron Connelly and Shona Loong argue that the Aung San Suu Kyi government that preceded it was a false dawn, unlikely to fulfil the international community's...
By Francis J. Gavin
March 07, 2024
The underlying structure, incentives and costs shaping international relations, state behaviour and the nature of power are profoundly different today to how they were in the past, in ways that are scarcely recognised and widely misunderstood. For much of history, world politics was marked by ...
By Michael Williams
August 01, 1998
Peacekeeping in the late 1990s is a complex and diverse task, in which civilian and military personnel are working together to a greater degree than ever before. However, when an international body such as the UN takes strategic decisions, it does so with inadequate input from the military; in the ...
Edited
By Robert Ward, Yuka Koshino, Matthieu Lebreton
December 12, 2023
Strategic links between Japan and Europe during the Cold War were limited. During this period the IISS helped bridge the gap between the two, exposing its membership base to the international affairs of Asia and Japan and providing Japanese scholars, strategists and diplomats with a platform from ...
By Iskander Rehman
November 09, 2023
As Sino-US relations have deteriorated, concerns have grown in Washington over its ability to defeat China in a major conflict. A conflict between such peer competitors would likely become a protracted war of attrition drawing on all dimensions of national power, but this reality has yet to receive...
By Lawrence Freedman, Heather Williams
September 29, 2023
Narratives provide the storylines of conflict and in doing so become an arena of conflict themselves. When states mount information campaigns against each other, they are trying to change the narrative. The digital platforms of the new information environment have been identified by various ...
By Euan Graham
March 21, 2023
A major shift in the paradigm undergirding relations between Australia and China has become clear in the early 2020s, with geopolitical concerns trumping economic considerations. Canberra has implemented a range of new policies in response to the risks it perceives in Australia’s economic relations...
Edited
By David Gordon, Meia Nouwens
November 29, 2022
Concerns about China’s ambitions to return to global centre stage as a great power have recently begun to focus on the Digital Silk Road (DSR), an umbrella term for various activities – commercial and diplomatic – of interest to the Chinese government in the cyber realm. Part of (or a spin-off from...
By Jonathan Stevenson
August 01, 2022
Overseas military bases have been the bedrock of the United States’ ability to project military power, exert political influence and deter potential adversaries since the Second World War. But fatigue with America’s ‘forever wars’, as well as more nuanced financial and strategic reasons, has ...