I just finshed reading a wonderfully engaging book called My Sister's Keeper by Jodi Picoult. It is the story of a girlnamed Anna who is conceived in order to save her sister Kate through the donation of her cord blood. Only as time goes by, Anna finds herself being asked to give more and more of herself, literally, to keep her sister alive. We meet them when Anna is thirteen and is now being told she has to donate her kidney to her sick sister. We get to see all sides of the family and the author truly makes you understand each member of the family's viewpoint on these events.
As a parent, I can identify with needing to do anything and everything to save your child. As a twin, I know what it is like to be feel responsible for your sister's health, to feel the guilt that goes with not wanting to be self-sacrificing all the time, and the self doubt that you are the cause.
Read this book - it is worth your time!