The Hellboy series is published as a series of self-contained but still inter-connected mini-series and one-shots. This mini-series represents issues 17-20 in the ongoing Hellboy meta-series. It was preceded by Hellboy: Box Full of Evil and followed by Hellboy: The Third Wish.
Collected Editions:
Hellboy: Conqueror WormHellboy: Library Edition Vol. 3
