ebook,Merill Singer, Merill Singer, Paul Ehrlich, Andrew Glikson, Barry Brook, Corey Bradshaw, Richard Firestone, Peter Leigh, Victor Sidel, S. Duhau, John Cairns,Extinctions: History, Origins, Causes & Future of Mass Extinctions,Cosmology Science Publishers,NATURE / Endangered Species,SCIENCE / Life Sciences / Evolution" />