Clean toilets save lives. But with billions of people lacking access to basic sanitation around the world, which toilet best meets each person's and family's need? Since 2008, one of the most popular guidebooks used to help answer that question has been the Compendium of Sanitation Systems and Technologies. Now, the Guidebook, published by the Swiss Federal Institute of Aquatic Science and Technology (Eawag) and WSSCC, is available in Nepali, complementing the English, French and Spanish versions available.