He wasn’t normally up this late. Like most nine-year olds, Luther was a sound sleeper. Also like most nine-year olds, Luther had nightmares.

He’s just escaped from one nightmare that had plagued him for the last year. It always began with him leaving bed for a glass of water, and he opened his door to find nothing there. Not just no people, but also no walls, no ceiling or floor, not even the w...