Your Heart Belongs to Me — Dean Koontz

For one man, they are the five most terrifying words of all. . . .

One year after the heart transplant that saved his life, thirty-five-year-old Ryan Perry has never felt better. He's getting back everything he nearly lost forever -- his business, his life, and, with luck, his beloved girlfriend. Miracles do happen.

Then the unmarked gifts begin to arrive -- a box of candy hearts, a heart-shaped pendant Most disturbing of all is a graphic heart-surgery video and its chilling message: Your heart belongs to me. Ryan is being stalked by someone who feels entitled to everything he has. She's the spitting image of the twenty-six-year-old donor of the heart beating steadily in Ryan's chest. And she's come to take it back.