This publication describes the achievements and shortfalls of the first twenty years of the Convention on the Prohibition of the Use, Stockpiling, Production and Transfer of Anti-Personnel Mines and on Their Destruction, which entered into force on 1 March 1999. Published with the aim of bringing together diverse perspectives on this key instrument of humanitarian disarmament, the paper was written by pioneers and luminaries of the movement that helped achieve the Convention and that committed themselves towards realizing the Convention’s full implementation. Each chapter contains discussions of an element of the Convention.