Billy Bat (2009-2016) is a 20-book series with 20 released primary works first released in 2009 with contributions by Naoki Urasawa, Takashi Nagasaki, 浦沢直樹, 長崎 尚志, and 長崎尚志.
#1 of 20 in Billy Bat (2009-2016)
2009 • 18 Readers • 200 pages • 3.5
#2 of 20 in Billy Bat (2009-2016)
2009 • 7 Readers • 200 pages • 3.7
#3 of 20 in Billy Bat (2009-2016)
2010 • 5 Readers • 200 pages • 3.3
#4 of 20 in Billy Bat (2009-2016)
2010 • 5 Readers • 232 pages • 4
#5 of 20 in Billy Bat (2009-2016)
2010 • 3 Readers • 197 pages • 4
#6 of 20 in Billy Bat (2009-2016)
2011 • 3 Readers • 197 pages • 4
#7 of 20 in Billy Bat (2009-2016)
2011 • 3 Readers • 197 pages • 4
#8 of 20 in Billy Bat (2009-2016)
2012 • 4 Readers • 197 pages • 3.5
#9 of 20 in Billy Bat (2009-2016)
2012 • 3 Readers • 197 pages • 3
#10 of 20 in Billy Bat (2009-2016)
2013 • 2 Readers • 180 pages • 3
#11 of 20 in Billy Bat (2009-2016)
2013 • 1 Reader • 198 pages
#12 of 20 in Billy Bat (2009-2016)
2013 • 1 Reader • 202 pages
#13 of 20 in Billy Bat (2009-2016)
2014 • 1 Reader • 198 pages
#14 of 20 in Billy Bat (2009-2016)
2014 • 1 Reader • 198 pages