| Spiral: The Bonds of Reasoning, Volume 01 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 1.00 | 2008-02-13 |
| Spiral: The Bonds of Reasoning, Volume 02 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 2.00 | 2008-03-12 |
| Spiral: The Bonds of Reasoning, Volume 03 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 3.00 | 2008-05-30 |
| Spiral: The Bonds of Reasoning, Volume 04 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 4.00 | 2008-07-23 |
| Spiral: The Bonds of Reasoning, Volume 05 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 5.00 | 2008-11-08 |
| Spiral: The Bonds of Reasoning, Volume 06 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 6.00 | 2009-05-09 |
| Spiral: The Bonds of Reasoning, Volume 07 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 7.00 | 2009-05-09 |
| Spiral: The Bonds of Reasoning, Volume 08 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 8.00 | 2009-07-16 |
| Spiral: The Bonds of Reasoning, Volume 09 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 9.00 | 2011-03-18 |
| Spiral: The Bonds of Reasoning, Volume 10 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 10.00 | 2011-11-18 |
| Spiral: The Bonds of Reasoning, Volume 11 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 11.00 | 2012-02-12 |
| Spiral: The Bonds of Reasoning, Volume 12 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 12.00 | 2012-02-14 |
| Spiral: The Bonds of Reasoning, Volume 13 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 13.00 | 2012-03-15 |
| Spiral: The Bonds of Reasoning, Volume 14 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 14.00 | 2014-03-08 |
| Spiral: The Bonds of Reasoning, Volume 15 |
Eita Mizuno and Kyo Shirodaira | Yen Press | Manga | 15.00 | 2014-03-08 |
