Western aid is in decline. New forms of aid, from within the developing countries themselves and elsewhere, are in the ascent, and a new set of global economic and political processes are shaping development in the twenty-first century. Katy Gardner and David Lewis have completely rewritten and updated their earlier, influential work, bringing it up to the present day. They engage with nearly two decades of continuity and change in the development industry, arguing in particular that while international development has expanded since the 1990s, it has become more rigidly technocratic. will serve as a reformulation of the field and as an excellent textbook for both graduate and undergraduates alike.