CreateSpace Independent Publishing Platform · Tantor Audio
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Black Spark | Audio CD | 978-1-5159-6743-9 | 2017 |
| Dead Spark | " | 978-1-5159-6749-1 | 2017 |
| Evil Spark | " | 978-1-5159-6744-6 | 2017 |
| Guilty Spark | " | 978-1-5159-6746-0 | 2017 |
| Hidden Spark | " | 978-1-5159-6748-4 | 2017 |
| Neon Spark | " | 978-1-5159-6747-7 | 2017 |
| New Spark | " | 978-1-5159-1745-8 | 2017 |
| New Spark | " | 978-1-5159-6745-3 | 2017 |
| New Spark | Paperback | 978-1-5331-2140-0 | 2016 |