Deborah Reber seems like she knows teenage girls really well. She writes in voice that is friendly and matter of fact. She has interviewed lots and lots of teenagers, and includes their strategies for dealing with various issues. Each chapter contains space for writing and thinking, quizzes, bulleted lists, advice column type letters, and affirmations (I wrote down the ones on organization for myself!) Each chapter is followed by a "time-out" a mini-chapter on a specific topic like the college admission process, friendship, or eating disorders.
This book would definitely make the rounds in a middle or high school classroom.