| Author | Robert Silverberg |
| Imprint | Berkley Books |
| Publisher | Berkley Publishing Corporation |
| Copyright Holder | Robert Silverberg |
| Format | Paperback |
| Language | English |
| Location | New York |
| Copyright | 1968 |
| Copyright | 1978 |
| This Edition Published | 1978-11 |
| Pages / Font | 227 pages |
| ISBN 10 | 0-425-03871-8 |
| SBN | 425-03871-8 |
| Price | $1.95 |
| Barcode | 07183100195 |
| EAN 5 | 03871 |
| Notes | Printed in the United States of America Published in the UK as "Vornan-19" |
Added by auboisdormant