The title means that one girl is another's life and death.

Sequel to Amber; this book takes place right after Link tells Amber she has been adopted. After just adopting, Link learns that being a single parent isn't as easy as he thought it would be. Follow the lives of Link and Amber as he tried to give Amber the life she deserves, despite the obstacles.

This is the story of Amber Wilson, a 13 year old girl who is abused by her parents and runs away, but then she meets Link Neal. That's when her whole life turned around.