Waxkeep Publishing Collections provide history's greatest authors' collected works in a convenient collection complete with a linked table of contents. Our goal is to provide the most complete, and most easy to read collections in the marketplace.The Charles Darwin Collection includes 6 classic works.Included are the following: On the Origin Of Species The Descent of Man The Voyage of the Beagle The Expression of the Emotions in Man and Animals The Autobiography of Charles Darwin Life and Letters of Charles Darwin (Both Volumes)