There are planes to fly and buses to catch, but a child uses the power of words, in the form of an invocation, to persuade fate to bring her family a snow day — a day slow and unhurried enough to spend at home together. In a spare text that reads as pure song and illustrations of astonishingly beautiful scratchboard art, Sidman and Krommes remind us that sometimes, if spoken from the heart, wishes really can come true.