From So Simple a Beginning: Darwin's Four Great Books (Voyage of the Beagle, The Origin of Species, The Descent of Man, The Expression of Emotions in Man and Animals)
"...will bring the wonders of Darwin to a wide audience. [Darwin] was not only great in his time, but if anything he is even greater today."  John Tyler Bonner, The Times Literary Supplement   "Anyone who wishes to start the new year with a real intellectual feast will buy the four 'great books' of Darwin, published in one volume by W.W. Norton."  A.N. Wilson, The Daily Telegraph