Extinction: The Causes and Consequences of the Disappearance of Species (1981) by Paul R. Ehrlich
	Round River: From the Journals of Aldo Leopold (1953) by Aldo Leopold
	The Diversity of Life (1992) by E. O. Wilson
	The Rift (1999) by Walter Jon Williams
	The Theory of Island Biogeography (1967) by E. O. Wilson