OUTER SPACE -- TO BOLDLY GO

Adams, Douglas. Hitchhiker Series: The Hitchhiker's Guide to the Galaxy - The Restaurant at the End of the Universe - Life, the Universe and Everything - So Long, and Thanks for All the Fish - Mostly Harmless.

Aldiss, Brian W. Helliconia Trilogy: Helliconia Spring - Helliconia Summer - Helliconia Winter.

Anthony, Piers. Ghost.

Barnes, John. Orbital Resonance.

Bear, Greg. Anvil of Stars.  Moving Mars.

Bova, Ben. Mars and sequel Return to Mars.

Brin, David.Earth

Card, Orson Scott. Homecoming Series: The Memory of Earth - The Call of Earth - The Ships of Earth - Earthfall - Earthborn.

Clement, Hal. Mission of Gravity.

Heald, Denise Lopes. Mistwalker.

Heinlein, Robert A. Tunnel in the Sky.

McAuley, Paul J. Four Hundred Billion Stars. Secret Harmonies. Eternal Light.

McCaffrey, Anne. Nimisha's Ship. Powers That Be Series: Powers That Be - Power Lines - Power Play.Crystal Singer Series:The Crystal Singer -Killishandra - Crystal Line.

McHugh, Maureen F. Mission Child.

Niven, Larry. Ringworld and sequel The Ringworld Engineers.

Nye, Jody Lynn. Taylor's Ark and sequel Medicine Show.

Pohl, Fred. The Space Merchants.

Robinson, Frank M. The Dark beyond the Stars.

Robinson, Kim Stanley. Mars Series: Red Mars - Green Mars - Blue Mars and short story collection The Martians.

Sheffield, Charles. Jupiter Novels: Higher Education (with Jerry Pournelle - The Billion Dollar Boy - Putting Up Roots - The Cyborg from Earth Ð Starswarm (by Jerry Pournelle ) Ð Outward Bound (by James Hogan Heritage Universe: Summertide Ð Divergence - Transcendence.

Swanwick, Michael. Stations of the Tide.

Tepper, Sheri S. Marjorie Westriding Trilogy: Grass - Raising the Stones - Sideshow.

Tiptree, James, Jr. Brightness Falls from the Air.

Varley, John. The Golden Globe.

Willis, Connie. Uncharted Territory.

SPIRITUAL SPACE -- RELIGIOUS OR MESSIANIC

Asaro, Catherine. The Veiled Web.

Butler, Octavia. Parable of the Sower and sequel Parable of the Talents.

Clarke, Arthur C. ChildhoodÕs End.

Dick, Philip K. A Maze of Death.

Herbert, Brian and Kevin J. Anderson. Dune: House Atreides.

Kleier, Glen. The Last Day.

Leiber, Fritz. Gather, Darkness.

Lewis, C. S. Out of the Silent Planet. Perelandra. That Hideous Strength.

Marley, Louise. The Terrorists of Irustan.

Resnick, Mike. Kirinyaga.

Russell, Mary Doria. The Sparrow and sequel Children of God.

Shinn, Sharon. Wrapt in Crystal. Jovah's Angel. The Archangel.

Simmons, Dan.Hyperion Series: Hyperion, The Fall of Hyperion, Endymion, The Rise of Endymion.

Stapledon, Olaf. Star Maker.

Vonnegut, Kurt. Cat's Cradle.

Wolfe, Gene. The Book of the Long Sun: Nightside the Long Sun, Lake of the Long Sun, Calde of the Long Sun, Exodus from the Long Sun. The Book of the Short Sun: On Blue's Waters.