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This is Linus Pauling for the masses: Linus Pauling: A life in Science and Politics by Ted and Ben Goertzel (Basic Books, 拢18.99/$27.50, ISBN 0 465 00672 8). It鈥檚 an easy-to-read, light and not too long survey of the life of a man who was awarded two Nobel Prizes (for chemistry and for peace), just about invented quantum chemistry, and ended his life regarded by many as a crank for his belief in the health benefits of vitamin C. It is a 鈥渨arts and all鈥� story, but told with no malice and the accent on the positive.