International law, openly available
Open-access academic textbooks, freely available
A free textbook in public international law, published online as it is written and made available in carefully curated translations.
Read the chapters. Follow the project. Use the materials freely under the applicable licence.
Read the latest chapter
Introduction to Public International Law
An overview of the structure, sources, and actors of public international law.
Read the textbook
Browse the available chapters, choose a language, and follow the project as the book develops.
A living textbook
New chapters are added as they are completed. Existing chapters may be revised to reflect legal developments, improve clarity, and respond to feedback.
Curated translations
Each translated edition is reviewed for legal accuracy, conceptual fidelity, and natural expression in the target language.
Free to use
The textbook is freely available for reading, study, and teaching under the terms of its open licence.
Built by Basement Solutions
small apps for serious scholars