My Sister's Keeper - Jodi Picoult : If you read the book, watched the movie, and walked out of it utterly annoyed: we are friends. If you haven't read the book and watched the movie: read the book. If you haven't done either: read the book.
The Boy in the Striped Pajamas, by John Boyne (teen fiction). Bored and lonely after his family moves from Berlin to a place called "Out-With" in Bruno, the son of a Nazi officer, befriends a boy in striped pajamas who lives behind a wire fence.