One missing organ. One genetic breakthrough. One medical conspiracy too terrifying to imagine. In his most prophetic thriller yet, Robin Cook challenges the medical ethics of genetic manipulations and cloning. 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.

All antiquities and art purchased from Enigma Rarities comes with a conditional 30-day money-back guarantee. Once you have purchased the item, you may take it to a reputable antiquities or art appraiser for authentication and valuation. If you are not satisfied with your appraiser's evaluation, you may return the item, in the same condition in which it was purchased, and with a letter of evaluation and appraisal from the expert you have chosen, within 30 days of your purchase, and receive a full refund of your purchase price.

We fully respect that some customers wish to have their purchases authenticated and appraised by a third party. Although we may disagree with the appraiser's opinion, it is our intention to satisfy our customers.