Primus #3

In "The Deadly Pay-Off," Professor John Wilmore—uniquely equipped with both gills and lungs—takes on a high-stakes undersea rescue mission when two men vanish in a malfunctioning mini-sub. With time running out and the depths holding their secrets, Wilmore’s determination and unusual physiology prove vital as he tracks down the lost men before their air supply fails. The story unfolds with quiet tension and a touch of wonder, showcasing a rare blend of scientific curiosity and human resolve. Cover by ? (typeset lettering).