The Memory Keeper's Daughter. by Kim Edwards.

Under what circumstances would you decide to give up your newborn baby? Dr David Henry makes this choice one winter night in 1964, when his twin babies are born. The first child is a healthy boy. The second, a little girl,has Downs Syndrome. A life defining moment is unfolding.Dr Henry chooses to send his daughter away to a special clinic, and tells his wife that the child has died.From this moment on, the lives of everyone involved will be forever changed. But not even Dr Henry is in complete control. He is about to make a discovery that changes everything.