From the introduction of the report: "In total, the 2007 California Data Book delivers 45 indicators of children’s well-being for each of the state’s 58 counties. Additionally, it provides county rankings for 11 critical indicators and also reports county data by race/ethnicity. Users of the Data Book are empowered with the ability to answer such questions as how the 763,000 California children currently without health insurance are geographically distributed."