Robert Graysmith

Zodiac is a non-fiction book written by Robert Graysmith about the unsolved serial murders committed by the "Zodiac Killer" in San Francisco in the late 1960s and early 1970s. Since its initial release in 1986, Zodiac has sold 4 million copies worldwide. Graysmith was a cartoonist for the San Francisco Chronicle and …

Robert Graysmith reveals the true identity of Zodiac—America's most elusive serial killer. Between December 1968 and October 1969 a hooded serial killer called Zodiac terrorized San Francisco. Claiming responsibility for thirty-seven murders, he manipulated the media with warnings, dares, and bizarre cryptograms that …