In the mid-21st century, time travel is used to send political prisoners to Hawksbill Station, a prison camp in the late Cambrian Era. When the latest arrival suspiciously deflects questions about his crimes and knowledge of 'Up Front', the inmates decide to find out his secret. NOTE: a novella length version of this story is also available.
Hawksbill Station
ISBN: 0425036790
ISBN 13: 9780425036792
Publisher: Berkley (NYC)
Pages: 185
Author: Robert Silverberg