When two North Carolina brothers 'invent' the ultimate power source as mild-mannered scientists, they believe they have helped all of mankind.
But when the device is stolen by purple Zombie-Bots they have to go searching for it as the incredible super heroes Captain Proton and Qwark.
Join the boys as they fly across North Carolina, fight deadly Z-Bots in their mountain lair and battle a fiendish mad professor in Earth orbit.
This is the third story in the Caleb & Noah Adventure series.
