Darwinia

Legacy

Greg Bear

Humans

Robert J. Sawyer

Darkover Landfall

Marion Zimmer Bradley

Interference: A Novel

Sue Burke

Bright Messengers

Gentry Lee

Titan

John Varley

Contact

John Walker

The Engines of God

Jack McDevitt

War of the Gods: Alien Skulls, Underground Cities, and Fire from the Sky

Erich von Däniken

Obsolete Theorem

Stan C. Smith

Better Angels

Howard V. Hendrix

Howling Stones

Alan Dean Foster