by Curtis Steele (Author), Emile C. Tepperman (Author), John Newton Howitt (Illustrator)

In the hot streets of Old Mexico, Operator 5 launched his great counter-espionage campaign-against a plotting Asiatic horde which threatened to loose the entire barbarous Mexican guerrilla Southwest upon America, in an attack that also combined modern Japanese mechanized warfare and dread tropical disease! Then, in the final, decisive minutes, America seemed to turn back the very pages of history as she made her last stand for freedom at the Alamo!

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