Despite needing a heart transplant and against her doctor's advice, Mary Catherine moves to Uganda to spend the time she has left helping children. The team of angels walking is busier than ever in this poignant tale of love, sacrifice, and the power of faith--From the publisher's web site.

"The explosive new medical thriller from New York Times-bestselling author Robin Cook. After a young, seemingly healthy woman collapses suddenly on the NYC subway and dies by the time she reaches the hospital, her case is initially chalked up to a virulent strain of influenza. That is, until she ends up on Dr. Jack Stapleton's autopsy table, where Jack discovers something eerily fishy: First, that the young woman has had a heart transplant, and...

Criminology professor Emily advocates on behalf of a dangerously ill friend whose life can be saved by a heart transplant from an injured mutual friend, but the situation turns deadly when Emily discovers that the injured friend was not hurt accidentally.

The perfect daughter. The perfect girlfriend. The perfect murder? Jenna is given another shot at life when she receives a donor heart from a girl called Callie. Eternally grateful to Callie and her family, Jenna gets closer to them, but she soon discovers that Callie's perfect family is hiding some very dark secrets. Callie's parents are grieving, yet Jenna knows they're only telling her half the story. Where is Callie's sister Sophie? She's been...