Robert Silverberg
| Item | Date | Publisher | Price | Role |
|---|---|---|---|---|
| Belzagor | May 8, 2024 | Humanoids | $39.99 | Writer |
| Downward to the Earth | Feb. 14, 2018 | Humanoids | $29.95 | Illustrator |
| Item | Date | Publisher | Price | Role |
|---|---|---|---|---|
| Belzagor | May 8, 2024 | Humanoids | $39.99 | Writer |
| Downward to the Earth | Feb. 14, 2018 | Humanoids | $29.95 | Illustrator |