Brute Orbits

1998

Black Pockets and Other Dark Thoughts

2006

Empties

2009

Synergy SF

New Science Fiction

1987

Macrolife

A Mobile Utopia

1979

The Omega Point

1973

Swift Thoughts

2002

Ashes and Stars

1977

Stranger Suns

1991

Once Upon a Future

The Third Borgo Press Book of Science Fiction

2011

Nebula Awards 21

1985

The Monadic Universe

1977

The Star Web

1975

Cave of Stars

1999

In the Distance, and Ahead in Time

2002