In his most prophetic thriller yet, Robin Cook goes behind the headlines on cloning and genetic manipulation, blending fact with fiction in this terrifying bestseller.

In the jungles of equatorial Africa, a biotechnology giant has taken transplant surgery and animal research to a new level--where one mistake could bridge the evolutionary gap between man and ape and forever change the genetic map of our existence.

Meanwhile, in New York City, Jack Stapleton and Laurie Montgomery are working on a seemingly unrelated murder of a mobster, only to find some very odd things once their victim is on the autopsy table...