Losing a tooth is a big deal, especially when you have already given it a name. Monkey is absolutely devastated after misplacing his beloved tooth, Kevin, and he does not know how to handle the sudden loss. His best friend Cake steps in to offer some comfort, enthusiastically explaining the magic of the Tooth Fairy and the exciting reward that is sure to arrive. But Monkey is not interested in coins or fairies; he just wants his missing piece back! Together, the curious duo must figure out how to solve the mystery of the missing tooth while navigating their very different ways of looking at the world. This hilarious early reader perfectly captures the dramatic highs and lows of growing up, showing you that best friends can disagree and still save the day.