The world guide to opportunities for voluntary work in the developing world, from digging wells in Botswana to helping rural communities in Peru for anything from two weeks to a year or longer. Opportunities in Africa, Asia, Latin American, Eastern Europe and the Middle East range from work camps lasting for up to a month for those with no previous experience, to more specialized placements for those with specific skills to offer such as nurses or agronomists, plumbers or builders, teachers or computer experts.