Introduction / by Isaac Asimov
Souls / by Joanna Russ
Fire watch / by Connie Willis
Melancholy elephants / by Spider Robinson
Cascade point / by Timothy Zahn
Blood music / by Greg Bear
Speech sounds / by Octavia E. Butler
Press enter / by John Varley
Blood child / by Octavia E. Butler
The crystal spheres / by David Brin
Appendix.