Wishless
Louise Caiola

Chessie Madrid wants to fall in love, she wants to fly airplanes, and most of all she wants to live longer than 6752 days. With a fatal disease camped inside of her wreaking havoc since she turned sixteen, the doctor's predictions are far more sinister. Preparing for death is a total drag.
Instead, Chessie makes a list of her deepest desires, keeping her impending demise a secret, and being pretend-well. When the list suddenly starts to come true, sending Chessie's life and everything in it reeling, it's a case of being careless what you wish for.
With a new sister she's always dreamed of, a father who's a nightmare, and a lesson in love arriving all at once, Chessie makes her last wish the one that will matter most of all-to live or die trying.