The God Machine is a science fiction novel written by Martin Caidin and first published in 1968.

Contact is a science fiction novel written by Carl Sagan and published in 1985.

Sphere is a science fiction novel written by Michael Crichton and published in 1987.

The Broken God is a science fiction novel written by David Zindell and published in 1992.

The World Inside is a science fiction novel written by Robert Silverberg and published in 1971.

Monument is a science fiction novel written by Lloyd Biggle, Jr. and published in 1974.

Dragon's Egg is a hard science fiction novel written by Robert L. Forward and published in 1980.

Neverness is a science fiction novel written by David Zindell and published in 1988.

It is a science fiction novel written by Kathy Tyers and published in 2000.

It is a science fiction novel written by Troy Denning and published in 2001.