The listing, The Sister Hood/The Society has ended.
Both books are by Michael Palmer.
The Society: "At theheadquarters of Boston's Eastern Quality Health, the powerful CEO is brutally murdered. She's not the first to die---nor the last. A serial killer is on the loose and the victims have one thing in common: all are high-profile executives in the managed care industry. Dr. Will Grant is outraged by a system that cares more about money than about patients--and he intends to do something about it. But his determination has attracted a dangerous zealot who will stop at nothing to make Will his ally. On the case is rookie detective Patty Moriarity. To save her faltering career--and countless lives--she will have to risk trusting Will, knowing he may be the killer she's hunting."
The Sisterhood: "Inside Boston Doctor Hospital, patients are dying. In the glare of the operating room, they survive the surgeon's knife. But in the dark, hollow silence of the night, they die. Suddenly, inexplicably, horribly. A tough, bright doctor will risk his career--his very life-- to unmask the terriying mystery. A beautiful and dedicated young nurse unknowingly holds the answer. Together they will discover the no one is safe from..."