The book Shadows of Forgotten Ancestors by Carl Sagan is a revelation in how close human behaviour is to those of chimps. https://www.goodreads.com/book/show/6

The book Shadows of Forgotten Ancestors by Carl Sagan is a revelation in how close human behaviour is to those of chimps. https://www.goodreads.com/book/show/61662.Shadows_of_Forgotten_Ancestors https://www.goodreads.com/book/show/61662.Shadows_of_Forgott...