““All his life, ever since he was really small, Milo had been very bothered by sudden changes of plan. More than bothered. Being surprised made him uneasy at the best of times. Now, tromping across the fresh snow in the bitter cold to haul a stranger up the hill, an unexpected stranger who was going to require him to work when all he really wanted was a quiet week or so with his parents and his house to himself . . . well, that made the uneasiness feel uncomfortably like panic.””