Maggie Black is the author of several publications including From Handpumps to Health: The Evolution of Water and Sanitation Programmes in Bangladesh, India and Nigeria and In the Twilight Zone: Child Workers in the Hotel, Tourism and Catering Industry. 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.