Backword by Jef Raskin "Inversions" are words that read the same upside down or in a mirror. Or words cleverly hidden inside other words. Each has something to fool the eye, a special visual trick; at the same time the words Kim has chosen to illustrate in this imaginative catalog of challenging visual wordplay reflect the idea of symmetry, both in art and in science. Sixty pages of images portray short and long words, words describing symmetries,...