“At day’s end, when released from their chores, they fastened earmuffs under their chins, stole their mothers’ scarves to wind around their necks, and boarded wheeled vehicles they had fashioned from crates and boxes. Without engines or wings, the contraptions were earthbound, but, as they bumped their way downhill, the summer air breezed past the boys’ sky-angled faces, and if they dared close their eyes, they swore the crates took flight.”