As the title suggests, aid must now be delivered differently. Here, case study authors consider the results of aid in their own countries, highlighting field-based lessons on how aid works on the ground, while focusing on problems in current aid delivery and on promising approaches to resolving these problems. Contributors include Cut Dian Agustina (World Bank), Getnet Alemu (College of Development Studies, Addis Ababa University), Rustam Aminjanov (NAMO Consulting), Ek Chanboreth and Sok Hach (Economic Institute of Cambodia), Firuz Kataev and Matin Kholmatov (NAMO Consulting), Johannes F. Linn (Wolfensohn Center for Development at Brookings), Abdul Malik (World Bank, South Asia), Harry Masyrafah and Jock M. J. A. McKeon (World Bank, Aceh), Francis M. Mwega (Department of Economics, University of Nairobi), Rebecca Winthrop (Center for Universal Education at Brookings), Ahmad Zaki Fahmi (World Bank)