books.google.co.in - This report is the second in a series of three evaluating underexploited African plant resources that could help broaden and secure Africa's food supply. The volume describes the characteristics of 18 little-known indigenous African vegetables (including tubers and legumes) that have potential as food-...http://books.google.co.in/books/about/Lost_Crops_of_Africa.html?id=mllZm3CChGIC&utm_source=gb-gplus-shareLost Crops of Africa