Introduction (Three Novels: The World Inside / Thorns / Downward to the Earth)
| First published | May 1988 |
|---|---|
| Type | Essay |
| Series | Silverberg's Essays: Own Work |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1988 |
|
Three Novels: The World Inside / Thorns / Downward to the Earth | Bantam Spectra | Omnibus | v |