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The Centre for Advanced International Theory (CAIT) invites nominations for the 2026 Sussex International Theory Prize for the best piece of innovative theoretical research in International Relations published in book form in 2025.

In 2011, CAIT was established by the Department of International Relations at the University of Sussex. The core mission of the Centre is to support and disseminate innovative fundamental research in international theory: http://www.sussex.ac.uk/cait/

Eligibility:

• The work should be in International Relations, broadly conceived – including sub-fields.
• The work must have been published in 2025: judged by copyright date.
• Nominations should be for research monographs only: edited volumes, textbooks, articles and book chapters are not eligible.

 Submission/Nomination:

• The award is made annually on the basis of nominations by individuals, publishers and peers.
• Nominations should take the form of a statement of less than 200 words on why the work could be considered the best innovative theoretical research in International Relations from the previous year.
• Nominators (including publishers) are limited to one submission.
• It is the nominator’s responsibility to contact the publisher and request that four hard copies (eBooks cannot be considered) of the title be sent by the nomination deadline to:

Eve Wilcox

Centre for Advanced International Theory

Department of International Relations

Arts C Building, University of Sussex

Falmer, East Sussex, BN1 9SJ, UK

• Nominations can be sent by email submission through by 4 May 2026 to cait@sussex.ac.uk. Book copies must also arrive by this date.
• The recipient will be notified by the beginning of July 2026.

Prize:

• The recipient will be invited to present their research in a Public Prize Lecture at the University of Sussex.

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