'Sarah: How a Hockey Mom Turned Alaska's Political Establishment Upside Down', by author Kaylene Johnson, is a biography of Sarah Palin. Written before Palin was nominated for the Vice President of the United States, it describes her upbringing and her quick rise to power as Governor of Alaska. Wikipedia*
On the C-SPAN Networks:
Kaylene Johnson has one video in the C-SPAN Video Library; the first appearance was a 2008 Interview.