Praise for the previous editions:“A great [introduction] to international organizations.” —Bessma Momani, International Journal“Putting the pieces of the puzzle together in a highly readable way, International Organizations provides a comprehensive overview of the many actors, processes, and challenges involved in the complex subject of global governance.” —Anne-Marie Slaughter, Princeton University“Detailed and comprehensive, this accessible IO text may well set the standard for years to come.” —Kent Kille, College of Wooster “An extraordinary primer for any student of international relations.... This book collates and masterfully illustrates the varied processes that drive contemporary international organizations.” —UN21 Newsletter, ASILAstounding, but true ... the newest edition of International Organizations surpasses its predecessors!The fourth edition of this award-winning text has been thoroughly revised and updated to capture nearly a decade of new developments affecting global governance: the Covid-19 pandemic, Russia’s invasion of Ukraine, the rise of populist nationalism, implementation of the SDGs, the youth climate-justice movement, and much more. There is also an entirely new chapter on human security. As before, the authors provide a comprehensive, in-depth examination of the full range of international organizations.