7/series. Mryon Bolitar is up against unwelcome visitors from his past as he is sucked in to finding a missing bone marrow donor for a child. He soon finds that the donor doesn't exist. The search leads him to a wealthy family who will do anything to protect their privacy. Bolitar wisecracks himself through a half dozen dicey situations, pushing and pushing against not only the hyper-secretive family, but an FBI Task Force. Do I tell you more? But then I would spoil it for you and I'd never do that. Coben writes a gripping tale full of threat, but also a multi-layered tale of love and family. What a mensch. It's a 5. You should be reading the series, but this one could stand alone. But why would you do that??