Great Literature Is Surprisingly Arithmetic - Scientific American
almost all novels and plays provide one of only six “emotional experiences” from beginning to end—a rags-to-riches exuberance, say, or a rise and fall of hope (below, top). Researchers at the University of Vermont graphed the happiness and sadness of words that occurred across the pages of more than 1,300 fiction works to reveal the emotional arcs and discovered relatively few variations.
A different study coordinated by Poland’s Institute of Nuclear Physics found that sentence lengths in books frequently form a fractal pattern
reminds me of Kurt Vonnegut’s shape of stories ▻http://www.openculture.com/2014/02/kurt-vonnegut-masters-thesis-rejected-by-u-chicago.html