The Power Of Un by Nancy Etchemendy

In a small town, a young boy named Gib Finney stumbles upon a mysterious device that allows him to undo recent events, offering him a chance to correct mistakes and alter outcomes. As he grapples with the moral implications of wielding such power, Gib learns that even the smallest changes can have far-reaching consequences. Through a series of trials and unexpected challenges, he discovers the importance of responsibility, the complexity of human choices, and the value of accepting the past.