On a remote jungle island, genetic engineers have created a dinosaur game park. But as always there is a dark side to the fantasy and after a catastrophe destroys the park's defence systems, the scientists and tourists are left fighting for survival.

Prone to violent seizures, Harry Benson undergoes an experimental procedure that implants electrodes in his brain, sending soothing pulses to the brain's pleasure canyon. However, Harry learns how to control the pulses and increase their frequency. Harry then escapes--a homicidal maniac loose in the city--and nothing will stop his murderous rampage.

Michael Crichton, the #1 New York Times bestselling author of Jurassic Park, comes an astounding, eye-opening look at the world of genetics as it's happening now, told as only Michael Crichton can tell it, with lightening fast pacing and thrilling chases. Welcome to our genetic world. Fast, furious, and out of control. This is not the world of the future-it's the world right now. Is a loved one missing some body parts? Are blondes becoming extinct?...