Terry Ryan, 60, who wrote the book
The Prize Winner of Defiance, Ohio
, later turned into a movie, about how her mother kept the family financially afloat by winning jingle contests, has died.
She died Wednesday of cancer at her home in San Francisco, her family said.
She was diagnosed with brain cancer in 2004 just after filming of the movie was completed. The DreamWorks film, starring Julianne Moore and Woody Harrelson, was released in 2005.
Ms. Ryan, the sixth of the family's 10 children, told the story of how her mother, Evelyn, won cars, refrigerators, televisions and money in commercial jingle contests during the 1950s and '60s in Defiance, about 50 miles southwest of Toledo.
Evelyn Ryan, who died in 1998 at age 85, used the winnings to feed the family and her alcoholic husband. The money also stopped them from being evicted from their home.