| title | | ISBN-13 | year of publica-
tion | other author(s) |
|---|
| Spiral - Gefährliche Wahrheit, Band 1 | | 978-3-551-78701-9 | 2009 | Kyo Shirodaira |
| Spiral - Gefährliche Wahrheit, Band 2 | | 978-3-551-78702-6 | 2009 | " |
| Spiral - Gefährliche Wahrheit, Band 3 | | 978-3-551-78703-3 | 2009 | " |
| Spiral - Gefährliche Wahrheit, Band 4 | | 978-3-551-78704-0 | 2010 | " |
| Spiral - Gefährliche Wahrheit, Band 5 | | 978-3-551-78705-7 | 2010 | " |
| Spiral - Gefährliche Wahrheit, Band 6 | | 978-3-551-78706-4 | 2010 | " |
| Spiral - Gefährliche Wahrheit, Band 7 | | 978-3-551-78707-1 | 2010 | " |
| Spiral T13: Les liens du raisonnement | | 978-2-8116-1913-8 | 2015 | " |
| Spiral, Vol. 1: The Bonds of Reasoning | | 978-0-7595-2341-8 | 2007 | " |
| Spiral, Vol. 2: The Bonds of Reasoning | | 978-0-7595-2407-1 | 2008 | " |
| Spiral, Vol. 3: The Bonds of Reasoning | | 978-0-7595-2637-2 | 2008 | " |
| Spiral, Vol. 4: The Bonds of Reasoning | | 978-0-7595-2834-5 | 2008 | " |
| Spiral, Vol. 5: The Bonds of Reasoning | | 978-0-7595-2835-2 | 2008 | " |
| Spiral, Vol. 6: The Bonds of Reasoning | | 978-0-7595-2913-7 | 2009 | " |
| Spiral, Vol. 7: The Bonds of Reasoning | | 978-0-7595-2914-4 | 2009 | " |
| Spiral, Vol. 8: The Bonds of Reasoning | | 978-0-7595-2915-1 | 2009 | " |
| Spiral, Vol. 9: The Bonds of Reasoning | | 978-0-7595-2916-8 | 2009 | " |
| Spiral, Vol. 10: The Bonds of Reasoning | | 978-0-7595-2917-5 | 2010 | " |
| Spiral, Vol. 11: The Bonds of Reasoning | | 978-0-7595-2918-2 | 2010 | " |
| Spiral, Vol. 12: The Bonds of Reasoning | | 978-0-7595-2919-9 | 2010 | " |
| Spiral, Vol. 13: The Bonds of Reasoning | | 978-0-7595-2920-5 | 2010 | " |
| Spiral, Vol. 14: The Bonds of Reasoning | | 978-0-7595-2921-2 | 2011 | " |
| Spiral, Vol. 15: The Bonds of Reasoning | | 978-0-7595-2922-9 | 2011 | " |