The book "Where have all the biodiversity gone?" represents the roll call of nature at its best by the author - Dr Paul Ola Igboji. It is very frightening and challenging. It has made me conscious of nature. The aura of beautiful world . Lots of colours of nature like the rainbow: evergreen plants, deciduous plants, flowering plants, medicinal plants, timber, vegetables, cereal crops, root crops, tuber crops, plantation crops, horticultural/ornamental...