books.google.com - In 'The Origin of Species', 1859, Charles Darwin refused to discuss human evolution, believing the subject too ësurrounded with prejudicesí. He had been reworking his notes since the 1830s, but only with much trepidation did he finally publish 'The Descent of Man' in 1871. The book notoriously put...http://books.google.com/books/about/The_Descent_of_Man.html?id=SOiEo1tEnsoC&utm_source=gb-gplus-shareThe Descent of Man