In 1899, Allie Rowbottom's great-great-great-uncle bought the patent to Jell-O from its inventor for $450. The sale would turn out to be one of the most profitable business deals in American history, and the generations that followed enjoyed immense privilege - but they were also haunted by suicides, cancer, alcoholism, and mysterious ailments. More than 100 years after that deal was struck, Allie's mother Mary was diagnosed with the same incurable...

On the morning of April 28, 1986, a fire alarm sounded in the Los Angeles Public Library. As the moments passed, the patrons and staff who had been cleared out of the building realized this was not the usual fire alarm. As one fireman recounted, "Once that first stack got going, it was 'Goodbye, Charlie.'" The fire was disastrous: it reached 2000 degrees and burned for more than seven hours. By the time it was extinguished, it had consumed four hundred...