The Planet of the Cublix: Little Prince (Library), cartea 19

When the Little Prince arrives, the Planet of the Cublix is covered by thick smog. Lux, the blacksmith, is creating the smog while trying to protect himself from the Cublix, whom he has mistaken for thieves. Meanwhile, the robot-like Cublix are afraid to leave their homes, so they can't recharge their batteries. Can the Little Prince help Lux and the Cublix reconcile before everyone runs out of power?