Thomas Siddell has written at least 12 books. Their most popular book is Gunnerkrigg Court, Volume 1: Orientation with 14 saves with an average rating of 3.67⭐.
They are best known for writing in the genres Fantasy, Young Adult, and Adventure.
 Gunnerkrigg Court, Volume 1: Orientation
| 3.67 | 8 reads | |
 Gunnerkrigg Court, Volume 2: Research
| 4 | 5 reads | |
 Gunnerkrigg Court, Volume 3: Reason
| 4.67 | 4 reads | |
 Gunnerkrigg Court, Volume 4: Materia
| 4.5 | 3 reads | |
 Gunnerkrigg Court Vol. 5: Refine (Gunnerkrigg Court #5)
| 4.5 | 2 reads | |
 Gunnerkrigg Court Vol. 6: Dissolve
| 4.5 | 2 reads | |
 Gunnerkrigg Court, Volume 7 Gunnerkrigg Court, Volume 7: Synthesis
| 4.5 | 2 reads | |
 Gunnerkrigg Court Volume 8: Catalysis
| 4 | 1 read | |
 Annie in the Forest, Part One Annie in the Forest, Part One
| 4 | 1 read | |
 Annie in the Forest, Part Two Annie in the Forest, Part Two
| 4 | 1 read | |
Traveller - A Story from Beyond the Walls Traveller - A Story from Beyond the Walls
| 4 | 1 read | |
 Coyote! A Story from Beyond the Walls | 4 | 1 read |