| 1999 | 1998 | 1997 | 1996 | 1995 | 1994 | 1993 | 1992 | 1991 | 1990 |
| SF Book |
| Subterranean Gallery , Richard Paul Russo. |
| 2º | On My Way to Paradise , Dave Wolverton. |
| F | Being Alien , Rebecca Ore. |
| F | A Fearful Symmetry , James Luceno. |
| F | Heritage of Flight , Susan Shwartz. |
| F | Infinity Hold , Barry B. Longyear. |