Robert Graysmith is the New York Times bestselling author of several true crime novels including Zodiac, Zodiac Unmasked, Auto Focus, and Amerithrax. The major motion pictures Zodiac and Auto Focus are based on his books. A San Francisco Chronicle political cartoonist and artist for fifteen years, he lives in San Francisco.

“A scary and disturbing account of pure evil."—Booklist“Fascinating...Like reading a brand new mystery."—Inspector Dave Toschi“[Graysmith's] Access is as good as it gets. A meticulous reconstruction of the way the case evolved. By far the best book on the subject of the Zodiac murders.”—New York Press

Robert Graysmith is the New York Times bestselling author of several true crime novels including Zodiac, Zodiac Unmasked, Auto Focus, and Amerithrax. The major motion pictures Zodiac and Auto Focus are based on his books. A San Francisco Chronicle political cartoonist and artist for fifteen years, he lives in San Francisco.

“A scary and disturbing account of pure evil."—Booklist“Fascinating...Like reading a brand new mystery."—Inspector Dave Toschi“[Graysmith's] Access is as good as it gets. A meticulous reconstruction of the way the case evolved. By far the best book on the subject of the Zodiac murders.”—New York Press