Ashes and Stars

1977

Black Pockets and Other Dark Thoughts

2006

Brute Orbits

1998

Cave of Stars

1999

Empties

2009

In the Distance, and Ahead in Time

2002

Macrolife

A Mobile Utopia

1979

Nebula Awards 21

1985

Once Upon a Future

The Third Borgo Press Book of Science Fiction

2011

Stranger Suns

1991

Swift Thoughts

2002

Synergy SF

New Science Fiction

1987

The Monadic Universe

1977

The Omega Point

1973

The Star Web

1975