| title | ISBN-13 | year of publication |
|---|---|---|
| Sarin in Nordheim + CD | 978-87-23-02913-3 | 2010 |
| Sarin in the Emperors City Sarin in the city of the Emperor / Sarin in the Emperors City Sarin v gorode Imperatora | 978-87-23-02640-8 | 2010 |
| Sarin in the Foggy Mountains + CD | 978-87-23-02912-6 | 2010 |
| Sarin in the Sulphur Valley Sarin in sulfuric Valley / Sarin in the Sulphur Valley Sarin v sernoy doline | 978-87-23-02641-5 | 2008 |