The main theme of this volume of the Yearbook of International Humanitarian Law is the 70th anniversary of the Geneva Conventions. The evolution of these crucial treaties and international humanitarian law more generally comes back in six chapters addressing topics such as sieges, compliance, indiscriminate attacks and non-state armed groups. The second part of the book contains an article on the acquittal on appeal of Jean-Pierre Bemba Gombo by the International Criminal Court on the basis of command responsibility for war crimes, as well as an extensive Year in Review describing the most important events and legal developments in the area of international humanitarian law that