The most popular international relations books of 2026

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 2026.

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Amplify!
Cover of Amplify!

Amplify!

Dion Lim

Published 2026

272 pages