Jet Power #2

In "The Three-Million-Year-Old Men!", Ezra Walters’ time machine sends his friends—Jim Booth, Edna Booth, Gul Dow, Kal Fram, Su Shan, Mordred, and Galahad—into the far future, where they’re captured by the alien Kroog. With the machine now in hostile hands, Jet Powers must race against time to stop them from using it to rewrite history and conquer all of time.

When Su Shan flees Mr. Sinn’s desert laboratory, she’s drawn into a mysterious light that leaves her stranded and pursued by the reclusive Marlon Stone, who traps her in a hidden stone-walled lab. As Jet Powers races to find her using a hidden signal in her ring, he’s ambushed by deadly mechanical traps and monstrous gorillas, each more perilous than the last.

Space Ace and Storm Farrilee are drawn into a deadly race to find the legendary diamond ocean on Titan, pursued by forces who want the map to its treasure. As they navigate the treacherous jumping mountains and survive a crash landing, they begin to uncover the truth behind the "invisible death" that has claimed every explorer who came before them.

In "The Metal Monsters!", a rogue machine born from the blast at Hiroshima awakens with a mind of its own, drawn to the genius of Mr. Sinn. Together, they launch a relentless assault on Jet Powers’ Mesa laboratory, turning science into a weapon of chaos.