LOS ANGELES, Aug. 17 -- Hayden Panettiere published a memoir three months ago. Its title, "This Is Me: A Reckoning," suggested a debt had been paid. In May, she disclosed publicly what a childhood spent entirely in the industry had cost: commercials at eight months, fifty commercial credits by five, soap opera work by four, a voice role in "A Bug's Life" before she reached double digits. The book addressed the addiction that followed, the physical abuse, and the recovery she had fought to sustain. She was thirty-six and appeared to have arrived somewhere.

On Sunday, she died.

A cause of death was not disclosed. Her publicist, Kasey Kitchen, confirmed an investigation is ongoing. Her father, Skip Panettiere, released a statement: "It is ...