In this edition of Audio News, presented by Peter Goodwin, Sandy Cairncross, Maggie Black (Earthscan), and Girish Menon (Water Aid) talk about: The Last Taboo: Opening The Door On The Global Sanitation Crisis a book by Maggie Black and Ben Fawcett, published by Earthscan with UNICEF. A massive improvement in health and wealth in developing countries could be achieved by providing systems to dispose of human excreta safely. A new book: "The Last Taboo" was launched at the London School of Hygiene and Tropical Medicine by the Professor of Environmental Health, Sandy Cairncross.