Eleven-year-old Ava Andrews has a Technicolor interior with a gray shell. On the inside, she bubbles with ideas and plans. On the outside, everyone except her best friend, Zelia, thinks she doesn't talk or, worse, is stuck-up. What nobody knows is that Ava has invisible disabilities: anxiety and a heart condition.Ava hopes middle school will be a fresh start, but when Zelia moves across the country and Ava's Nana Linda pushes her to speak up about...