A captivating chronicle of a fast-disappearing fish--and of the people whose lives and livelihoods depend on it. Since the days of the Persian Empire, caviar has meant status, wealth, prestige, and sex appeal. Today it sells for up to $100 an ounce, and aficionados will go to extraordinary lengths to get their fill of it. That's just the problem. Here, Carey immerses himself in the world of sturgeon, the fish that lays these golden...