<p>In this provocative gripping and startling novel bestselling author Ben Bova delivers a knockout read with his trademark blend of cutting-edge science and unrelenting suspense.</p> <p>Some see stem-cell research as mankind’s greatest scientific breakthrough; others a blasphemous attempt to play God. Suddenly the possibility of immortality exists. Two brothers both doctors stand on opposite sides of the controversy. To Arthur Marshak his work is a momentous gift to humanity. To Jesse Marshak it is a curse. And between them stands a beautiful remarkable woman that both brothers will do anything to save.</p> <p>Somehow before it’s too late Arthur and Jesse must bridge the gap that divides them…on an issue that could mean nothing less than life or death for millions.</p>