books.google.com.au - First published in 1859, this landmark book on evolutionary biology was not the first to deal with the subject, but it went on to become a sensation—and a controversial one for many religious people who could not reconcile Darwin’s science with their faith. Darwin worked on the book for over 20 years...http://books.google.com.au/books/about/The_Origin_of_Species.html?id=YY4EAAAAYAAJ&q=less&utm_source=gb-gplus-shareThe Origin of Species