Richard Leakey & Richard E. Leakey 
Origin Of Humankind [EPUB ebook] 

A meticulously clear account of how early ape-men of the African savanna developed into fully human beings.Leakey has always been interested in far more than the mere physical features presented by fossils, and here he is particularly concerned with non-tangible human attributes, such as art, language and consciousness itself.Leakey’s personal involvement in many of the key discoveries of hominid fossils, and his friendships and rivalries with his fellow fossil hunters, add more than a dash of spice to his narrative."An outstanding account of our current understanding of human evolution" Sunday Times"An elegant summary of what is currently known about human evolution" Observer