The Clewiston test. Originally published: New York: Farrar Straus Giroux, 1976
The infinity box. Originally published: New York: Harper and Row, 1975
Welcome, chaos. Originally published: London: Boston, Massachusetts: Houghton Mifflin, 1983.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Kate Wilhelm SF gateway omnibus by Kate Wilhelm. ISBN 9781473201811. Published by Gateway in 2013. Publication and catalogue information, links to buy online and reader comments.
