Larryboy is called to the rescue when a new villain attacks Bumblyburg by tainting the Slushee supply with an envy formula. The diabolical Emperor has wreaked havoc on the city and made everyone weak with jealousy. But even Larryboy is challenged with questions of envy as he attends superhero school and sees other skills and gadgets he doesn't have. Only Larryboy can conquer the scoundrel and rescue the town, but can he conquer his own envy first? Will he realize a contented heart is a healthy heart? Recommended for ages 8 to 12.