The origin of species : by means of natural selection or the preservation of favoured races in the struggle for life

 Darwin, Charles; Burrow, J.W.;

London : Penguin group , 1968

Age of Extremes : the Short Twentieth Century 1914-1991 / Eric Hobsbawm

 Hobsbawm, Eric;

London : Penguin group , 1994

Intelligence in nature : an inquiry into knowledge / Jeremy Narby

 Narby, Jeremy;

New York : Penguin group , 2005

The New York Times 2010 Almanac

 Wright, John W.;

New York : The Penguin Group , 2009