"Last Light: How Six Great Artists Made Old Age a Time of Triumph" by Richard Lacayo; Simon & Schuster (384 pages, $35)
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Plug the phrase "rising young art star" into Google and a mountain of results will turn up. Rising young art stars are showing at museums, rising young art stars are moving merch at Art Basel, rising young art stars are sitting for studiously casual photos in fashion magazines. We live in a society that prizes youth, and the art world is no different. The conventional wisdom being that an artist's most innovative years are in the first half of life.