16.  Guns, Germs, and Steel: The Fates of Human Societies Guns, Germs, and Steel: The Fates of Human Societies
by Jared Diamond
 
 

17.  The Seven Daughters of Eve The Seven Daughters of Eve
by Bryan Sykes
 
 
 

18.  The Third Chimpanzee : The Evolution and Future of the Human Animal The Third Chimpanzee : The Evolution and Future of the Human Animal
by Jared Diamond
 
 
 

19.  Collapse: How Societies Choose to Fail or Succeed Collapse: How Societies Choose to Fail or Succeed
by Jared Diamond
 
 

20.  River Out of Eden: A Darwinian View of Life (Science Masters Series) River Out of Eden: A Darwinian View of Life (Science Masters Series)
by Richard Dawkins, Lalla Ward (Illustrator)
 
 

21.  Climbing Mount Improbable Climbing Mount Improbable
by Richard Dawkins, Lalla Ward (Illustrator)
 
 

22.  The Ancestor's Tale: A Pilgrimage to the Dawn of Evolution The Ancestor's Tale: A Pilgrimage to the Dawn of Evolution
by Richard Dawkins
 
 

23.  The Extended Phenotype: The Long Reach of the Gene (Popular Science) The Extended Phenotype: The Long Reach of the Gene (Popular Science)
by Daniel Dennett (Afterword), Richard Dawkins
 
 

24.  A Devil's Chaplain : Reflections on Hope, Lies, Science, and Love A Devil's Chaplain : Reflections on Hope, Lies, Science, and Love
by Richard Dawkins
 
 

25.  The Selfish Gene The Selfish Gene
by Richard Dawkins
 
 

26.  The Blind Watchmaker: Why the Evidence of Evolution Reveals a Universe Without Design The Blind Watchmaker: Why the Evidence of Evolution Reveals a Universe Without Design
by Richard Dawkins
 
 
 

27.  Darwin's Dangerous Idea: Evolution and the Meanings of Life Darwin's Dangerous Idea: Evolution and the Meanings of Life
by Daniel C. Dennett