As if waiting weren't hard enough, the family gets scary news two days before Mibs's birthday: Poppa has been in a terrible accident. Mibs develops the singular mission to get to the hospital and prove that her new power can save her dad. So she sneaks onto a salesman's bus . . . only to find the bus heading in the opposite direction. Suddenly Mibs finds herself on an unforgettable odyssey that will force her to make sense of growing up-and of other people, who might also have a few secrets hidden just beneath the skin.