Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 23. Chapters: Bale Grist Mill State Historic Park, Buck English, California Historical Landmarks in Napa County, California, Elmshaven, Napa River flood of 1986, Napa River Flood Project, Napa State Hospital, Napa Valley Opera House, National Register of Historic Places listings in Napa County, California, Patwin people, Pomo people, The Silverado Squatters, Veterans Home of California, Wappo people, Wintun people, Zodiac Killer. Excerpt: The Zodiac Killer was a serial killer who operated in Northern California in the late 1960s and early 1970s. The killer's identity is still unknown. The Zodiac murdered victims in Benicia, Vallejo, Lake Berryessa and San Francisco between December 1968 and October 1969. Four men and three women between the ages of 16 and 29 were targeted. The killer originated the name "Zodiac" in a series of taunting letters sent to the local Bay Area press. These letters included four cryptograms (or ciphers). Of the four cryptograms sent, only one has been definitively solved. Numerous suspects have been named by law enforcement and amateur investigators, but no conclusive evidence has surfaced. In April 2004, the San Francisco Police Department marked the case "inactive," yet re-opened the case at some point prior to March 2007. The case also remains open in the city of Vallejo, as well as in Napa County and Solano County. The California Department of Justice has maintained an open case file on the Zodiac murders since 1969. Although the Zodiac claimed 37 murders in letters to the newspapers, investigators agree on only seven confirmed victims, two of whom survived. They are: The following murder victims are suspected to be victims of Zodiac, though none has been confirmed: There is also a suspected third escapee from the Zodiac Killer: Just before midnight on July 4, 1969, Darlene Ferrin and Michael...