SHE'D DO ANYTHING TO SAVE HER SISTER'S LIFE. . . . Rachel Kirby is a computer genius whose personal life is falling apart. Even as she stands on the brink of a stunning technological breakthrough, her beloved younger sister is plagued by a rare chronic illness that will eventually kill her, leaving Rachel all alone. SAVING HER SISTER’S LIFE HAS PUT HER OWN IN GRAVE DANGER. . . . But thousands of miles away archaeologist/adventurer John Tavak has made a priceless discovery in an Egyptian tomb. A discovery, Rachel realizes, that humankind has been seeking throughout history – a secret that may save her sister’s life and many thousands more. But a powerful organization is also in white-hot pursuit, led by a man who will stop at nothing to get what he wants.