Newbery Medalist Avi weaves one of his most suspenseful and scary tales--about a ghost who has to be seen to be believed and must be kept from carrying out a horrifying revenge. The time is 1872. The place is New York City. Horace Carpetine has been raised to believe in science and rationality. So as apprentice to Enoch Middleditch, a society photographer, he thinks of his trade as a scientific art. But when wealthy society matron Mrs. Frederick Von...