About Maggie Black MAGGIE BLACK has written books for Oxford University Press, UNICEF, and Oxfam. She has worked as a consultant for UNICEF, Anti-Slavery International, and WaterAid, among others, and has written for The Guardian, The Economist, and BBC World Service. Books by Maggie Black No-Nonsense Guide to the United Nations by (author) Maggie Black No-Nonsense Guide to International Development, 2nd Edition by (author) Maggie Black