| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1986 |
|
Arthur C. Clarke's July 20, 2019: Life in the 21st Century | Macmillan | Nonfiction | 107 |
| April 1987 |
|
Arthur C Clarke's July 20, 2019: A Day in the Life of the 21st Century | Grafton | Nonfiction | 107 |
| January 1989 |
|
Um dia na vida do século XXI | Nova Fronteira | Nonfiction | 117 |