In "Moons of Riddle" Chance Bock, the intrepid celebrity superhero from the planet Riddle, receives an explosive cry for help from an unlikely robotic rebel trapped in an alternate universe. To attempt a rescue our brave hero will have to tunnel through space and time itself. Will he arrive too late? Or too early? And what dark evil awaits him there, on the other side of the new gaping portal in Riddle's evening sky? There's only one way to find out...