The Letter Writer

When Maggy Fuller, a rebellious and troubled teenager, receives an old fashioned letter in the mail from an unknown source, she can't imagine who could have so many wonderful things to say about her. After all, she is all but invisible to her father and a disappointment to her mom. So she tracks down the mysterious author of the letter and uncovers someone she has never met?but someone who seems to know her better than anyone else in her life.