Serena St. John loves being best friends with the outgoing JC. But when JC goes into the hospital for a kidney transplant, she comes out with a new best friend. Suddenly on her own, Serena flounders without JC and pours her time into her vlogs, hoping to be selected as class reporter. Even though she knows she's not as outspoken as JC, Serena gets better with practice and learns that she, too, has a voice.

After an experimental brain transplant gives quadriplegic Rosa a new life, she begins to obsess over Sylvia, her donor, prompting a road trip of self-discovery and a surprising new romance.

Genetisist P.J. Colding and his team, working on a remote island in the Canadian Arctic, figure out how to reverse evolution and create a computer-engineered living creature from which organs can be harvested for transplant patients, but, to their surprise, the animals are not as docile as they thought they would be and P.J. and the others must fight in order to avoid becoming their prey.

From the blockbuster, eleven-time New York Times bestselling author comes a novel of medical suspense that begins with these chilling questions: Who ends up with the blood samples you routinely give for tests? What else are they being used for? Why don't you know?
Take a Deep Breath. . . .
In Boston, a disgraced medical student is sent to deliver a research paper that could save her career. . . . Four thousand miles away, in

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After the liver disease she was born with flares up unexpectedly, roller derby star Amelia, eighteen, must come to terms with the brevity of life while hoping for an organ transplant.

Aspiring choreographer Sophie Orenstein, eighteen, wonders if seventeen-year-old Peter Rosenthal-Porter, gifted pianist, best friend, and secret crush, will love her back after receiving her kidney.

Studious, socially conscious Emerson Watts learns startling news about the family of Nikki Howard, the teen supermodel into whose body Emerson's brain was transplanted by the nefarious Stark corporation.

When sixteen-year-old Emerson Watts learns the truth about Nikki, the teen supermodel into whose body Emerson's brain was transplanted, she finds that there is only one person to turn to for help--especially since her loved ones seem to be furious with her.

Penny Landlow, seventeen, the overprotected daughter of a powerful crime family, has rarely left the family estate due to a blood disorder but when tragedy strikes and she is left alone in New York City, she must prove she is not as fragile as everyone believes.

"Six months ago, Ashlyn Montiel died in a bike accident. Her best friend, Cloudy, is keeping it together, at least on the outside. Cloudy's insides are a different story: tangled, confused, heartbroken. Kyle is falling apart, and everyone can tell. Ashlyn was his girlfriend, and when she died, a part of him went with her. Maybe the only part he cares about anymore. As the two people who loved Ashlyn best, Cloudy and Kyle should be able to lean on...