The Crystal Singers (2000)
| Title | Country | Illustrator | Year | Picture |
| The Crystal Singers Trilogy | United Kingdom | Mark Harrison© | 2000 |  |
| The Crystal Singers Trilogy | USA | Michael Whelan© | ? |  |
| Title | Country | Illustrator | Year | Picture |
| The Crystal Singers Trilogy | United Kingdom | Mark Harrison© | 2000 | |
| The Crystal Singers Trilogy | USA | Michael Whelan© | ? | |