| 
by Kyo ShirodairaPaperback details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-0-7595-2914-4 ISBN-10: 0-7595-2914-0 Yen Press · 2009  | 
| See also: | ||
| 2011 | Paperback | Spiral, Vol. 15: The Bonds of Reasoning | 
| 2011 | Paperback | Spiral, Vol. 14: The Bonds of Reasoning | 
| 2010 | Paperback | Spiral, Vol. 12: The Bonds of Reasoning | 
| 2010 | Paperback | Spiral, Vol. 13: The Bonds of Reasoning | 
| 2010 | Paperback | Spiral, Vol. 10: The Bonds of Reasoning | 
| 2010 | Paperback | Spiral, Vol. 11: The Bonds of Reasoning | 
| 2009 | Paperback | Spiral, Vol. 9: The Bonds of Reasoning | 
| 2009 | Paperback | Spiral, Vol. 6: The Bonds of Reasoning (v. 6) | 
| 2009 | Paperback | Spiral, Vol. 8: The Bonds of Reasoning (v. 8) | 
| 2008 | Paperback | Spiral, Vol. 4: The Bonds of Reasoning (v. 4) | 
| 2008 | Paperback | Spiral, Vol. 2: The Bonds of Reasoning (v. 2) | 
| 2008 | Paperback | Spiral, Vol. 3: The Bonds of Reasoning (v. 3) | 
| 2008 | Paperback | Spiral, Vol. 5: The Bonds of Reasoning (v. 5) | 
| 2007 | Paperback | Spiral, Vol. 1: The Bonds of Reasoning (v. 1) |