Mia observes several of her classmates showing signs of nervousness. She asks why and learns of their worries such as tripping and falling, upsetting a friend, and getting a wrong answer. Soon she realizes the worry has spread to her as well! A bit of detective work leads her to the cause: an unexpected person toppled over the jar of nervous feelings on the teacher’s shelf, and the nerves spread to the entire class! Mia unravels the mystery and helps her friends cope with their nerves—that uneasy feeling that affects each person so differently. If ever the nerves escape from the jar again, Mia has made sure that her friends—as well as everyone reading along—will have the confidence to manage them. is a captivating story infused with a bit of mystery and loaded with real-world application. Readers will learn invaluable lessons from Mia’s observations, empathy toward classmates, and open conversations about feelings like worry and anxiety. Her story encourages a sense of mindfulness in all children, which is an invaluable tool in youth through adulthood. Mia’s winning coping strategy—take a deep breath, smile, and count to 10—is one that every reader can rely on again and again.