Fred 如今被視為「和平使者」，但他的太陽能電池因空氣汙染而無法充電，眼看電力將盡。他與 Wormy 一同啟程前往天空之城 SunTop，希望在高處重新接觸陽光。卻意外得知，必須先阻止夜裡騷擾城市的「垃圾怪」才能恢復能量。In this action-packed sequel by #1 New York Times bestselling creator Michael Rex, Fred shows us how all arguments, big and small, can be solved with kindness—even when it's not always welcomed!Fred has made quite a name for himself as a peacemaker since his last adventure! Now everyone who loves to argue is coming to him for help resolving their disagreements, but there's just one problem . . . Fred is low on power. Thanks to the clouds of pollution in the sky, Fred's solar battery can't recharge. With the help of his best friend, Wormy, he sets off for SunTop—a city with a sky-high place where the sun can be seen. But once there, he's told that he can't recharge unless he stops a clan of garbage-like creatures from attacking every night. It's a race against time for Fred to solve the mystery of the Trash before he runs out of power forever!
