This Introduction is a greatly shortened and slightly rewritten version of material that first appeared in parts I and II of Astounding Days: A Science Fictional Autobiography (1989).
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1999 |
|
Greetings, Carbon-Based Bipeds!: A Vision of the 20th Century As It Happened | Voyager | Nonfiction | 3 |
| August 1999 |
|
Greetings, Carbon-Based Bipeds!: Collected Essays 1934-1998 | St. Martin's Press | Nonfiction | 3 |