Hellboy is a 20-book series with 20 released primary works first released in 1994 with contributions by Michael Mignola, Mike Mignola, John Byrne, Duncan Fegredo, Dave Stewart, Pat Brosseau, James Sinclair, P. Craig Russell, Stephen Weiner, Jason Hall, Victoria Blake, Richard Corben, and Gary Gianni.
#1 of 20 in Hellboy
1994 • 17 Readers • 124 pages • 4.4
#2 of 20 in Hellboy
2003 • 54 Readers • 144 pages • 4
#3 of 20 in Hellboy
1994 • 53 Readers • 168 pages • 4.1
#4 of 20 in Hellboy
2000 • 41 Readers • 144 pages • 4.2
#7 of 20 in Hellboy
2007 • 23 Readers • 144 pages • 3.9
#10 of 20 in Hellboy
2010 • 18 Readers • 160 pages • 4.4
#11 of 20 in Hellboy
2011 • 15 Readers • 200 pages • 4.6
#12 of 20 in Hellboy
2012 • 12 Readers • 176 pages • 4.8
#1 of 2 in Hellboy: Weird Tales
2014 • 7 Readers • 264 pages • 4
#1 of 4 in Hellboy Omnibus
2018 • 43 Readers • 370 pages • 4.5
#4 of 4 in Hellboy Omnibus
2018 • 2 Readers • 288 pages
#2 of 4 in Hellboy Omnibus
2018 • 15 Readers • 416 pages • 4.9
#3 of 4 in Hellboy Omnibus
2018 • 15 Readers • 530 pages • 4.8