After Jack the Ripper and before Son of Sam there was only one name their equal in terror: the deadly, elusive, and mysterious Zodiac. Beginning in 1968 the hooded mass murderer terrified the city of San Francisco and the Bay Area with a string of brutal killings. A sexual sadist, his pleasure was torture and murder.
When 28-year-old San Francisco Daily Morning Call reporter Mark Twain met Tom Sawyer at a local bathhouse in 1863, he was seeking a subject for his first novel. As Twain steamed, played cards, and drank beer with Sawyer (a volunteer firefighter, customs inspector, and local hero responsible for having saved 90 lives at sea), he had second thoughts about Shirley Tempest, his proposed book about a local girl firefighter, and began to envision a novel of wider scope.