"Jet-Propelled Justice/The Disappearing Evidence" and "Danger in Two Volumes!" star Black Cobra. Plus, Don and Roger investigate the body of a diver who works for a real estate broker who is seeking to raise money to fund his search for the wreck of a gold-laden ship in an untitled reprint Torpedoman story. But, utilizing his jet-propulsion system, Torpedoman investigates and discovers not only a wreck, but a gold treasure that even astounds Lyman! Also, "Old Ironsides!" from the Eagle of the Sea series.