William Easterly. The Elusive Quest for Growth: Economists' Adventures and Misadventures in the Tropics. MIT Press, 2001 [Amazon/SLU]. An accessible book discussing modern growth theory. You need to read this if you hold to the 19th century view that development is a matter of international capital flows.
Paul Collier. The Bottom Billion: Why the Poorest Countries Are Failing and What Can Be Done About it. Oxford University Press, 2007 [Amazon/SLU]. A very readable book which distinguishes between the problems of most developing countries and those failed states at the bottom with a combined population of about a billion.
Nina Munk, The Idealist: Jeffrey Sachs and the Quest to End Poverty, Doubleday, 2013 [Amazon/SLU]. An engaging and quite readable look at Jeffrey Sachs and the Millennium Villages Project. With exhaustive on-the-ground reporting, it is a valuable and, at times, heartbreaking cautionary tale.
Katherine Boo, Behind the Beautiful Forevers: Life, Death, and Hope in a Mumbai Undercity, Random House, 2012 [Amazon/SLU]. A bewildering age of global change and inequality is made human through the dramatic story of families striving for a better life in Mumbai, India.
Pietra Rivoli. The Travels of a T-Shirt in the Global Economy: An Economist Examines the Markets, Power, and Politics of World Trade. Wiley, 2005 [Amazon/SLU]. A very accessible, straightforward way to learn about the economics of globalization without the usual polemics. Rohinton Mistry. A Fine Balance. Vintage, 2001 [Amazon/SLU]. A novel set in 1970s India. No economics but communicates the sense of powerlessness of the poor. A Booker Prize finalist and Oprah Book Club selection.