Koban is a 5-book series with 6 primary works first released in 2012 with contributions by Stephen W. Bennett.
2012 • 4 Readers • 490 pages • 3
2013 • 1 Reader • 450 pages • 4
2013 • 1 Reader • 553 pages • 4
2014 • 1 Reader • 4
2015 • 1 Reader • 4
1 Reader • 2