| # | Book Title | Author | |
|---|---|---|---|
| 1 | Comet's Curse, The | Testa, Dom | |
| 2 | Web of Titan, The | Testa, Dom | |
| 3 | Cassini Code, The | Testa, Dom | |
| 4 | Dark Zone, The | Testa, Dom | |
| 5 | Cosmic Storm | Testa, Dom | |
| 6 | Galahad Legacy, The | Testa, Dom |
Juvenile Series and Sequels
| # | Book Title | Author | |
|---|---|---|---|
| 1 | Comet's Curse, The | Testa, Dom | |
| 2 | Web of Titan, The | Testa, Dom | |
| 3 | Cassini Code, The | Testa, Dom | |
| 4 | Dark Zone, The | Testa, Dom | |
| 5 | Cosmic Storm | Testa, Dom | |
| 6 | Galahad Legacy, The | Testa, Dom |