New York : Ballantine Books, c2009.
Ballantine Books mass market original.
After Ann Nolan, a California beat cop, adopts the daughter of a notorious drug dealer, the ruthless father vows to take back his only child. In response, Ann flees across the country, changes her name, and starts a new life as an investigator for the Mercy Street Foundation, the billionaire-endowed organization dedicated to finding missing persons. As Emme Caldwell, she takes the lead on the Foundation's first case: Nineteen-year-old Belinda Hudson disappeared from her sorority house leaving behind only one cryptic clue. Retracing the vanished student's steps leads Emme to Heaven's Gate, a fertility clinic, and the mysterious Donor 1735.