Her TED talk is great, and the book is kind of like a very expanded version of the same message.

The book has a lot of personal anecdotes, but 'anecdote' seems wrong because the anecdotes are all about intimate looks into personal things like her marriage or other raw emotional events in her life or the lives of her fans.

I found the book at my library. I recommend the audiobook if you're into those, because Amanda reads the book herself, and it includes some of her music, too.