Closed System
| First published | 1986 |
|---|---|
| Publisher | Signet / New American Library |
| Format | Paperback |
| Type | Novel |
| Catalog ID | AE4170 |
| Cover art | John Harris |
| Pages | 222 |
| Price | $2.95 |
| ISBN | 0451141709 |
- "First Printing, March, 1986"
- First printing by number line.
- Copyright © 1986 by Hugh Zachary.
- Cover artist not credited in book. Signature not found. Cover art credit per same art used & credited in Zones of Thought
- $3.95 in Canada
- Printed in the US.
| Year | Reviewer | Publication |
|---|---|---|
| 1986 | Richard E. Geis | Science Fiction Review, Summer 1986 |
| 1986 | Elton T. Elliott | Science Fiction Review, Summer 1986 |
| 1986 | Tom Easton | Analog Science Fiction/Science Fact, November 1986 |
| Title | Year | Publisher | Format | Type | Catalog ID | Cover Artist | Pages | |
|---|---|---|---|---|---|---|---|---|
| Closed System |
|
1986 | Signet / New American Library of Canada | Paperback | Novel | John Harris | 222 | |
| Closed System |
|
1987 | Signet / New American Library | Paperback | Novel | Dean Morrissey & John Harris | 222 |