This series outlines the Hollow World, a setting inside the planet on which the Known World is located. It consists of one boxed set, a three part adventure HWA1-3, a series of campaign modules HWR1-3, and another module HWQ1.
| Boxed Set | Hollow World |
| HWA series | HWA1 - Nightwail |
| HWA2 - Nightrage | |
| HWA3 - Nightstorm | |
| HWR series | HWR1 - Sons of Azca |
| HWR2 - Kingdom of Nithia | |
| HWR3 - Milenian Empire | |
| HWQ series | HWQ1 - The Milenian Sceptre |
| Summary | |
|---|---|
| Stock Code | 1054 |
| Released | |
| Author | Aaron Allston |
| Artists | |
| Pages | 64 |
| Cover Art | Acaeum: First Edition |
| Rating | ** |
| Summary | |
|---|---|
| Stock Code | 9303 |
| Released | |
| Author | Aaron Allston |
| Artists | |
| Pages | 64 |
| Cover Art | Acaeum: First Edition |
| Rating | ** |
| Summary | |
|---|---|
| Stock Code | 9310 |
| Released | |
| Author | Aaron Allston |
| Artists | |
| Pages | 64 |
| Cover Art | Acaeum: First Edition |
| Rating | ** |
| Summary | |
|---|---|
| Stock Code | 9311 |
| Released | |
| Author | Aaron Allston |
| Artists | |
| Pages | 64 |
| Cover Art | Acaeum: First Edition |
| Rating | ** |
| Summary | |
|---|---|
| Stock Code | 9332 |
| Released | |
| Author | Aaron Allston |
| Artists | |
| Pages | 64 |
| Cover Art | Acaeum: First Edition |
| Rating | ** |
| Summary | |
|---|---|
| Stock Code | 9339 |
| Released | |
| Author | Aaron Allston |
| Artists | |
| Pages | 64 |
| Cover Art | Acaeum: First Edition |
| Rating | ** |
| Summary | |
|---|---|
| Stock Code | 9384 |
| Released | |
| Author | Aaron Allston |
| Artists | |
| Pages | 64 |
| Cover Art | Acaeum: First Edition |
| Rating | ** |
| Summary | |
|---|---|
| Stock Code | 9378 |
| Released | |
| Author | Aaron Allston |
| Artists | |
| Pages | 64 |
| Cover Art | Acaeum: First Edition |
| Rating | ** |
(c) 2003
All material in this document is copyright Mark Bertenshaw. None of this can be reproduced in any manner without the express permission of the author.