Great Sky River Gregory Benford Great Sky River by Gregory Benford Nebula 1988 (awarded 1989) · Finalist Sign in to put this book on your shelf. Prize history Nebula Award for Best Novel 1988 · awarded 1989 Finalist Nebula Award for Best Novel 1988 finalists Falling Free Lois McMaster Bujold Falling Free Lois McMaster Bujold Winner Deserted Cities of the Heart Lewis Shiner Deserted Cities of the Heart Lewis Shiner Drowning Towers George Turner Drowning Towers George Turner Mona Lisa Overdrive William Gibson Mona Lisa Overdrive William Gibson Red Prophet Orson Scott Card Red Prophet Orson Scott Card The Urth of the New Sun Gene Wolfe The Urth of the New Sun Gene Wolfe