"An electrifying read . . . I haven't read anything so terrifying since Red Dragon." -- Stephen King

"Magnificent, thoroughly unnerving . . . I dare you to look away." -- Justin Cronin

Caleb Maddox is a San Francisco toxicologist studying the chemical effects of pain. He's out drinking after a bad breakup when a hauntingly seductive woman sits down at his side. He talks to Emmeline over absinthe, but their encounter is fleeting. She brushes her lips on his ear and disappears. He must find her. As Caleb scours the city, he begins helping the city's...