Napa Valley is known for its wine and winemakers, but just beneath the fertile soil lies another, more complex version of its history.
A large portion of this book, including Part I: First People is available to read online on Google Books.
Summarizes what is known of the aboriginal culture forms and practices of about 60 California tribes. Describes the environment, prehistoric archeology, historical archeology, language classification, culture, population numbers since the time of European discovery, and the history of exploration and settlement by Whites. See especially "Wappo" page 256 and "Patwin" page 350.