Book excerpt: This highly illustrated and definitive dictionary, by two renowned biologists - one Kenyan, one Canadian - contains extensive coverage of the flora, fauna and animals of the Lake Victoria region of East Africa occupied by the Luo community, and is based on ten years of research by the authors. It is an expansion of the 1972 publication Luo-English Botanical Dictionary of Plant Names and Their Uses and now provides more botanical entries and an additional section consisting of a zoological dictionary. The individual entry comprises Luo terminology, its botanical/zoological equivalent, common name (when applicable), physical description, its prevalence, and its respective economic use.