| Year | Award | Category | Status |
|---|---|---|---|
| 1991 | Locus Poll Award | Best SF Novel | Nominee/Finalist |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1990 |
|
The Hollow Earth | William Morrow | Novel | 11 |
| October 1991 | The Hollow Earth | William Morrow / BOMC | Novel | ||
| January 1992 |
|
The Hollow Earth | AvoNova | Novel | |
| October 2006 |
|
The Hollow Earth | MonkeyBrain Books | Novel | |
| February 2012 |
|
The Hollow Earth | Transreal Books | Novel | |
| July 2018 |
|
The Hollow Earth / Return to the Hollow Earth | Transreal Books | Omnibus | |
| July 2018 |
|
The Hollow Earth / Return to the Hollow Earth | Transreal Books | Omnibus | |
| July 2018 |
|
The Hollow Earth | Transreal Books | Novel | |
| August 2018 |
|
The Hollow Earth | Transreal Books | Novel | |
| August 2018 |
|
The Hollow Earth / Return to the Hollow Earth | Transreal Books | Omnibus |