On 3 March 2022, Cambridge University Press published An Introduction to Public International Law, a co-authored textbook led by Cecily Rose.
A number of current and former staff members of the Grotius Centre for International Legal Studies contributed chapters, namely Cecily Rose (Leiden University), Niels Blokker (Leiden University), Daniëlla Dam-de Jong (Leiden University), Simone van den Driest (Dutch Council of State), Robert Heinsch (Leiden University), Erik Koppe (Pels Rijcken), and Nico Schrijver (Dutch Council of State).
The textbook Published by Cambridge University Press, begins with a foreword written by Sir Christopher Greenwood. At present, this textbook represents the only English-language textbook on the general field public international law that has been authored by academics at a Dutch university. It also represents the first textbook in the general field of public international law from Leiden University since Pieter Kooijmans' Internationaal publiekrecht in vogelvucht and Nico Schrijver's Internationaal Publiekrecht als Wereldrecht.
