The most popular international relations books of 2025

International relations books explain how countries deal with one another. Diplomacy, war and peace, alliances, trade and global institutions are the subjects, along with the rise and fall of great powers. Useful for making sense of world news and where it might be heading. This list shows the ones first published in 2025.

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George Soros and the Roma
Cover of George Soros and the Roma

George Soros and the Roma

Andrew Ryder, Balázs Majtényi, Frank Thomas Zsigo

Published 2025

200 pages

The Mantle of Caesar
Cover of The Mantle of Caesar

The Mantle of Caesar

Michel de Montaigne, Francis Bacon, Julian the Apostate, Friedrich Schlegel, Charles Montesquieu, Friedrich Gundolf, Bulkington Books

Published 2025

422 pages