Sub-Mariner #63 (1973)

"And the Seas Shall Explode!", script by Bill Everett and Steve Gerber, pencils by Sam Kweskin, inks by Syd Shores. Cover pencils by John Romita, inks by Joe Sinnott.

Namor investigates reports that the seas beyond Atlantis are boiling. Learning that Dr. Hydro is the mastermind behind this threat, he orders the Atlantean navy to attack Dr. Hydro's base. Dr. Hydro and his armies are defeated, and Namor seals Dr. Hydro’s semi-solid form in a casket.

Tales of Atlantis backup story, "Cataclysm!", script by Steve Gerber, pencils by Howard Chaykin, inks by Joe Sinnott.

Good condition.