Ray Bradbury kept two IBM Wheelwriters in the basement of a yellow house in Cheviot Hills. Around them were masks, tin robots, dinosaur models, Disney cels, comic strips signed for him in the 1940s, before he was anyone the cartoonists had heard of, a model of the Nautilus built for him by Disney Imagineers, a small wooden desk he had used in the forties and kept after he stopped using it, thirty-one filing cabinets, and about four thousand...