Omnibus 1
B.P.R.D: Plague of Frogs Expanded Edition Volume 1
In 2001, Hellboy quit the B.P.R.D., leaving Abe Sapien, Liz Sherman, and a bizarre roster of special agents to defend the world from any occult threats and the growing menace of the frog army. Collects B.P.R.D.: Hollow Earth & Other Stories, B.P.R.D.: The Soul of Venice & Other Stories, and B.P.R.D.: Plague of Frogs. Guy Davis's Hellboy-universe debut!
Omnibus 2
B.P.R.D: Plague of Frogs Expanded Edition Volume 2
In 2001, Hellboy quit the B.P.R.D., leaving Abe Sapien, Liz Sherman, and a bizarre roster of special agents to defend the world from the growing menace of the frog army. While Abe dives deeper into his origins, Liz and the B.P.R.D. fight against two of their greatest villains yet with their newest recruit, Daimio! Collects B.P.R.D.: The Dead, B.P.R.D.: The Black Flame, and B.P.R.D.: War on Frogs.
Omnibus 3
B.P.R.D: Plague of Frogs Expanded Edition Volume 3
The lead-up to Hell on Earth! Following the Bureau's catastrophic encounter with the monster-god Katha-Hem, Kate heads to France with hopes of bringing Roger back to life, and Captain Daimio reveals the truth about his death in the jungles of Bolivia. Abe meets a secret society of Victorian cyborgs with ties to his origins as the frog apocalypse heats up, and Liz's visions of the end of the world grow increasingly dire! Collects B.P.R.D.: The Universal Machine, B.P.R.D.: Garden of Souls, and B.P.R.D.: Killing Ground.
Omnibus 4
B.P.R.D: Plague of Frogs Expanded Edition Volume 4
A story that began in the first issue of Hellboy concludes with the B.P.R.D. team set to permanently wipe out the subterranean colony of frog monsters. The team tracks down Memnan Saa's hideout but soon find themselves in over their heads when old enemies like the Black Flame arrive to lay waste to the world. Collects B.P.R.D.: The Black Goddess, B.P.R.D.: The Warning, and B.P.R.D.: King of Fear.