MOVIOLA by Garson Kanin Simon & Schuster; 446 pages; $12.95
Contrary to cliché, Hollywood does not manufacture dreams; it preserves them in strips of celluloid that promise eternal life. Hollywood embalms desire. Hollywood is a necropolis lined with deities made to appear more beautiful and menacing than they really are. Hollywood, In short, is a good read, even when encountered in Moviola, an overwrought, eulogistic novel about the film business. The book is a greenhorn-to-mogul saga with cameo performances by great stars of the distant and recent past. There is even a bit part for Thomas Alva Edison, without whose inventive genius....