B.P.R.D. Volume 1 Plague of Frogs Hardcover

B.P.R.D. Volume 1 Plague of Frogs contains the stories from Hollow Earth to King of Fear. In 2001, Hellboy quit the B.P.R.D., leaving Abe Sapien to lead Liz Sherman and a bizarre roster of special agents in defending the world from occult threats, including the growing menace of the frog army, first spotted in Hellboy: Seed of Destruction.