In the Black Cobra novella "The Big Blast," F.B.I. Agent Steve Drake is sent to patrol a Guatemalan Air Base that appears to be a target for a red spy ring! Plus, in "Trap for Traitors/Grenades for Glory," Black Cobra is pitted against an astounding and fantastic conspiracy to seize one of the United States of America's super-tanks! Also in "Deadline for Danger/The Mystery of the Falling Corpse," Black Cobra receives a frantic request for assistance from a large atomic facility! Also included is a reprint of "A Message to Gomez," a narrative about press photographers in Cuba during the Spanish-American War. Also included is a 2-page text narrative titled "No Cowards Allowed"!