Dragon's Egg

Existence

David Brin

Creation Node

Stephen Baxter

Learning The World

Ken MacLeod

Interference: A Novel

Sue Burke

Foreigner

C. J. Cherryh

Bowl of Heaven

Gregory Benford

Starfarers

Poul Anderson

Heaven's Shadow

David S. Goyer

Fossil

Hal Clement

Aliens - Science Asks: Is There Anyone Out There?

Jim Al-Khalili

The Two Moons

James P. Hogan

The Science Of Aliens

Clifford A. Pickover